diff --git a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/controller/SysCommentController.java b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/controller/SysCommentController.java
new file mode 100644
index 00000000..abab8398
--- /dev/null
+++ b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/controller/SysCommentController.java
@@ -0,0 +1,263 @@
+package org.jeecg.modules.system.controller;
+
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.shiro.SecurityUtils;
+import org.jeecg.common.api.dto.DataLogDTO;
+import org.jeecg.common.api.vo.Result;
+import org.jeecg.common.constant.CommonConstant;
+import org.jeecg.common.system.api.ISysBaseAPI;
+import org.jeecg.common.system.base.controller.JeecgController;
+import org.jeecg.common.system.query.QueryGenerator;
+import org.jeecg.common.system.vo.LoginUser;
+import org.jeecg.modules.system.entity.SysComment;
+import org.jeecg.modules.system.service.ISysCommentService;
+import org.jeecg.modules.system.vo.SysCommentFileVo;
+import org.jeecg.modules.system.vo.SysCommentVO;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.servlet.ModelAndView;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.util.Arrays;
+import java.util.List;
+
+/**
+ * @Description: 系统评论回复表
+ * @Author: jeecg-boot
+ * @Date: 2022-07-19
+ * @Version: V1.0
+ */
+@Api(tags = "系统评论回复表")
+@RestController
+@RequestMapping("/sys/comment")
+@Slf4j
+public class SysCommentController extends JeecgController<SysComment, ISysCommentService> {
+
+    @Autowired
+    private ISysCommentService sysCommentService;
+
+    @Autowired
+    private ISysBaseAPI sysBaseAPI;
+
+
+    /**
+     * 在线预览文件地址
+     */
+    @Value("${jeecg.file-view-domain}/onlinePreview")
+    private String onlinePreviewDomain;
+
+    /**
+     * 查询评论+文件
+     *
+     * @param sysComment
+     * @return
+     */
+    @ApiOperation(value = "系统评论回复表-列表查询", notes = "系统评论回复表-列表查询")
+    @GetMapping(value = "/listByForm")
+    public Result<IPage<SysCommentVO>> queryListByForm(SysComment sysComment) {
+        List<SysCommentVO> list = sysCommentService.queryFormCommentInfo(sysComment);
+        IPage<SysCommentVO> pageList = new Page();
+        pageList.setRecords(list);
+        return Result.OK(pageList);
+    }
+
+    /**
+     * 查询文件
+     *
+     * @param sysComment
+     * @return
+     */
+    @ApiOperation(value = "系统评论回复表-列表查询", notes = "系统评论回复表-列表查询")
+    @GetMapping(value = "/fileList")
+    public Result<IPage<SysCommentFileVo>> queryFileList(SysComment sysComment) {
+        List<SysCommentFileVo> list = sysCommentService.queryFormFileList(sysComment.getTableName(), sysComment.getTableDataId());
+        IPage<SysCommentFileVo> pageList = new Page();
+        pageList.setRecords(list);
+        return Result.OK(pageList);
+    }
+
+    @ApiOperation(value = "系统评论表-添加文本", notes = "系统评论表-添加文本")
+    @PostMapping(value = "/addText")
+    public Result<String> addText(@RequestBody SysComment sysComment) {
+        String commentId = sysCommentService.saveOne(sysComment);
+        return Result.OK(commentId);
+    }
+
+    @ApiOperation(value = "系统评论表-添加文件", notes = "系统评论表-添加文件")
+    @PostMapping(value = "/addFile")
+    public Result<String> addFile(HttpServletRequest request) {
+        try {
+            sysCommentService.saveOneFileComment(request);
+            return Result.OK("success");
+        } catch (Exception e) {
+            log.error("评论文件上传失败", e.getMessage());
+            return Result.error("操作失败," + e.getMessage());
+        }
+    }
+
+    @ApiOperation(value = "系统评论回复表-通过id删除", notes = "系统评论回复表-通过id删除")
+    @DeleteMapping(value = "/deleteOne")
+    public Result<String> deleteOne(@RequestParam(name = "id", required = true) String id) {
+        SysComment comment = sysCommentService.getById(id);
+        if(comment==null){
+            return Result.error("该评论已被删除！");
+        }
+        LoginUser sysUser = (LoginUser) SecurityUtils.getSubject().getPrincipal();
+        String username = sysUser.getUsername();
+        String admin = "admin";
+        //除了admin外 其他人只能删除自己的评论
+        if((!admin.equals(username)) && !username.equals(comment.getCreateBy())){
+            return Result.error("只能删除自己的评论！");
+        }
+        sysCommentService.deleteOne(id);
+        //删除评论添加日志
+        String logContent = "删除了评论， "+ comment.getCommentContent();
+        DataLogDTO dataLog = new DataLogDTO(comment.getTableName(), comment.getTableDataId(), logContent, CommonConstant.DATA_LOG_TYPE_COMMENT);
+        sysBaseAPI.saveDataLog(dataLog);
+        return Result.OK("删除成功!");
+    }
+
+
+    /**
+     * 获取文件预览的地址
+     * @return
+     */
+    @GetMapping(value = "/getFileViewDomain")
+    public Result<String> getFileViewDomain() {
+        return Result.OK(onlinePreviewDomain);
+    }
+
+
+    /**
+     * 分页列表查询
+     *
+     * @param sysComment
+     * @param pageNo
+     * @param pageSize
+     * @param req
+     * @return
+     */
+    ////@AutoLog(value = "系统评论回复表-分页列表查询")
+    @ApiOperation(value = "系统评论回复表-分页列表查询", notes = "系统评论回复表-分页列表查询")
+    @GetMapping(value = "/list")
+    public Result<IPage<SysComment>> queryPageList(SysComment sysComment,
+                                                   @RequestParam(name = "pageNo", defaultValue = "1") Integer pageNo,
+                                                   @RequestParam(name = "pageSize", defaultValue = "10") Integer pageSize,
+                                                   HttpServletRequest req) {
+        QueryWrapper<SysComment> queryWrapper = QueryGenerator.initQueryWrapper(sysComment, req.getParameterMap());
+        Page<SysComment> page = new Page<SysComment>(pageNo, pageSize);
+        IPage<SysComment> pageList = sysCommentService.page(page, queryWrapper);
+        return Result.OK(pageList);
+    }
+
+
+    /**
+     * 添加
+     *
+     * @param sysComment
+     * @return
+     */
+    @ApiOperation(value = "系统评论回复表-添加", notes = "系统评论回复表-添加")
+    //@RequiresPermissions("org.jeecg.modules.demo:sys_comment:add")
+    @PostMapping(value = "/add")
+    public Result<String> add(@RequestBody SysComment sysComment) {
+        sysCommentService.save(sysComment);
+        return Result.OK("添加成功！");
+    }
+
+    /**
+     * 编辑
+     *
+     * @param sysComment
+     * @return
+     */
+    //@AutoLog(value = "系统评论回复表-编辑")
+    @ApiOperation(value = "系统评论回复表-编辑", notes = "系统评论回复表-编辑")
+    //@RequiresPermissions("org.jeecg.modules.demo:sys_comment:edit")
+    @RequestMapping(value = "/edit", method = {RequestMethod.PUT, RequestMethod.POST})
+    public Result<String> edit(@RequestBody SysComment sysComment) {
+        sysCommentService.updateById(sysComment);
+        return Result.OK("编辑成功!");
+    }
+
+    /**
+     * 通过id删除
+     *
+     * @param id
+     * @return
+     */
+    //@AutoLog(value = "系统评论回复表-通过id删除")
+    @ApiOperation(value = "系统评论回复表-通过id删除", notes = "系统评论回复表-通过id删除")
+    //@RequiresPermissions("org.jeecg.modules.demo:sys_comment:delete")
+    @DeleteMapping(value = "/delete")
+    public Result<String> delete(@RequestParam(name = "id", required = true) String id) {
+        sysCommentService.removeById(id);
+        return Result.OK("删除成功!");
+    }
+
+    /**
+     * 批量删除
+     *
+     * @param ids
+     * @return
+     */
+    //@AutoLog(value = "系统评论回复表-批量删除")
+    @ApiOperation(value = "系统评论回复表-批量删除", notes = "系统评论回复表-批量删除")
+    //@RequiresPermissions("org.jeecg.modules.demo:sys_comment:deleteBatch")
+    @DeleteMapping(value = "/deleteBatch")
+    public Result<String> deleteBatch(@RequestParam(name = "ids", required = true) String ids) {
+        this.sysCommentService.removeByIds(Arrays.asList(ids.split(",")));
+        return Result.OK("批量删除成功!");
+    }
+
+    /**
+     * 通过id查询
+     *
+     * @param id
+     * @return
+     */
+    ////@AutoLog(value = "系统评论回复表-通过id查询")
+    @ApiOperation(value = "系统评论回复表-通过id查询", notes = "系统评论回复表-通过id查询")
+    @GetMapping(value = "/queryById")
+    public Result<SysComment> queryById(@RequestParam(name = "id", required = true) String id) {
+        SysComment sysComment = sysCommentService.getById(id);
+        if (sysComment == null) {
+            return Result.error("未找到对应数据");
+        }
+        return Result.OK(sysComment);
+    }
+
+    /**
+     * 导出excel
+     *
+     * @param request
+     * @param sysComment
+     */
+    //@RequiresPermissions("org.jeecg.modules.demo:sys_comment:exportXls")
+    @RequestMapping(value = "/exportXls")
+    public ModelAndView exportXls(HttpServletRequest request, SysComment sysComment) {
+        return super.exportXls(request, sysComment, SysComment.class, "系统评论回复表");
+    }
+
+    /**
+     * 通过excel导入数据
+     *
+     * @param request
+     * @param response
+     * @return
+     */
+    //@RequiresPermissions("sys_comment:importExcel")
+    @RequestMapping(value = "/importExcel", method = RequestMethod.POST)
+    public Result<?> importExcel(HttpServletRequest request, HttpServletResponse response) {
+        return super.importExcel(request, response, SysComment.class);
+    }
+
+
+}
diff --git a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/controller/SysFilesController.java b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/controller/SysFilesController.java
new file mode 100644
index 00000000..45b31487
--- /dev/null
+++ b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/controller/SysFilesController.java
@@ -0,0 +1,152 @@
+package org.jeecg.modules.system.controller;
+
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import lombok.extern.slf4j.Slf4j;
+import org.jeecg.common.api.vo.Result;
+import org.jeecg.common.aspect.annotation.AutoLog;
+import org.jeecg.common.system.base.controller.JeecgController;
+import org.jeecg.common.system.query.QueryGenerator;
+import org.jeecg.modules.system.entity.SysFiles;
+import org.jeecg.modules.system.service.ISysFilesService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.servlet.ModelAndView;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.util.Arrays;
+
+/**
+ * @Description: 知识库-文档管理
+ * @Author: jeecg-boot
+ * @Date: 2022-07-21
+ * @Version: V1.0
+ */
+@Slf4j
+@Api(tags = "知识库-文档管理")
+@RestController
+@RequestMapping("/sys/files")
+public class SysFilesController extends JeecgController<SysFiles, ISysFilesService> {
+    @Autowired
+    private ISysFilesService sysFilesService;
+
+    /**
+     * 分页列表查询
+     *
+     * @param sysFiles
+     * @param pageNo
+     * @param pageSize
+     * @param req
+     * @return
+     */
+    @AutoLog(value = "知识库-文档管理-分页列表查询")
+    @ApiOperation(value = "知识库-文档管理-分页列表查询", notes = "知识库-文档管理-分页列表查询")
+    @GetMapping(value = "/list")
+    public Result<?> queryPageList(SysFiles sysFiles,
+                                   @RequestParam(name = "pageNo", defaultValue = "1") Integer pageNo,
+                                   @RequestParam(name = "pageSize", defaultValue = "10") Integer pageSize,
+                                   HttpServletRequest req) {
+        QueryWrapper<SysFiles> queryWrapper = QueryGenerator.initQueryWrapper(sysFiles, req.getParameterMap());
+        Page<SysFiles> page = new Page<SysFiles>(pageNo, pageSize);
+        IPage<SysFiles> pageList = sysFilesService.page(page, queryWrapper);
+        return Result.OK(pageList);
+    }
+
+    /**
+     * 添加
+     *
+     * @param sysFiles
+     * @return
+     */
+    @AutoLog(value = "知识库-文档管理-添加")
+    @ApiOperation(value = "知识库-文档管理-添加", notes = "知识库-文档管理-添加")
+    @PostMapping(value = "/add")
+    public Result<?> add(@RequestBody SysFiles sysFiles) {
+        sysFilesService.save(sysFiles);
+        return Result.OK("添加成功！");
+    }
+
+    /**
+     * 编辑
+     *
+     * @param sysFiles
+     * @return
+     */
+    @AutoLog(value = "知识库-文档管理-编辑")
+    @ApiOperation(value = "知识库-文档管理-编辑", notes = "知识库-文档管理-编辑")
+    @RequestMapping(value = "/edit", method = {RequestMethod.PUT, RequestMethod.POST})
+    public Result<?> edit(@RequestBody SysFiles sysFiles) {
+        sysFilesService.updateById(sysFiles);
+        return Result.OK("编辑成功!");
+    }
+
+    /**
+     * 通过id删除
+     *
+     * @param id
+     * @return
+     */
+    @AutoLog(value = "知识库-文档管理-通过id删除")
+    @ApiOperation(value = "知识库-文档管理-通过id删除", notes = "知识库-文档管理-通过id删除")
+    @DeleteMapping(value = "/delete")
+    public Result<?> delete(@RequestParam(name = "id", required = true) String id) {
+        sysFilesService.removeById(id);
+        return Result.OK("删除成功!");
+    }
+
+    /**
+     * 批量删除
+     *
+     * @param ids
+     * @return
+     */
+    @AutoLog(value = "知识库-文档管理-批量删除")
+    @ApiOperation(value = "知识库-文档管理-批量删除", notes = "知识库-文档管理-批量删除")
+    @DeleteMapping(value = "/deleteBatch")
+    public Result<?> deleteBatch(@RequestParam(name = "ids", required = true) String ids) {
+        this.sysFilesService.removeByIds(Arrays.asList(ids.split(",")));
+        return Result.OK("批量删除成功！");
+    }
+
+    /**
+     * 通过id查询
+     *
+     * @param id
+     * @return
+     */
+    @AutoLog(value = "知识库-文档管理-通过id查询")
+    @ApiOperation(value = "知识库-文档管理-通过id查询", notes = "知识库-文档管理-通过id查询")
+    @GetMapping(value = "/queryById")
+    public Result<?> queryById(@RequestParam(name = "id", required = true) String id) {
+        SysFiles sysFiles = sysFilesService.getById(id);
+        return Result.OK(sysFiles);
+    }
+
+    /**
+     * 导出excel
+     *
+     * @param request
+     * @param sysFiles
+     */
+    @RequestMapping(value = "/exportXls")
+    public ModelAndView exportXls(HttpServletRequest request, SysFiles sysFiles) {
+        return super.exportXls(request, sysFiles, SysFiles.class, "知识库-文档管理");
+    }
+
+    /**
+     * 通过excel导入数据
+     *
+     * @param request
+     * @param response
+     * @return
+     */
+    @RequestMapping(value = "/importExcel", method = RequestMethod.POST)
+    public Result<?> importExcel(HttpServletRequest request, HttpServletResponse response) {
+        return super.importExcel(request, response, SysFiles.class);
+    }
+
+}
diff --git a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/controller/SysFormFileController.java b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/controller/SysFormFileController.java
new file mode 100644
index 00000000..33dca546
--- /dev/null
+++ b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/controller/SysFormFileController.java
@@ -0,0 +1,152 @@
+package org.jeecg.modules.system.controller;
+
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import lombok.extern.slf4j.Slf4j;
+import org.jeecg.common.api.vo.Result;
+import org.jeecg.common.aspect.annotation.AutoLog;
+import org.jeecg.common.system.base.controller.JeecgController;
+import org.jeecg.common.system.query.QueryGenerator;
+import org.jeecg.modules.system.entity.SysFormFile;
+import org.jeecg.modules.system.service.ISysFormFileService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.servlet.ModelAndView;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.util.Arrays;
+
+/**
+ * @Description: 表单评论文件
+ * @Author: jeecg-boot
+ * @Date: 2022-07-21
+ * @Version: V1.0
+ */
+@Slf4j
+@Api(tags = "表单评论文件")
+@RestController
+@RequestMapping("/sys/formFile")
+public class SysFormFileController extends JeecgController<SysFormFile, ISysFormFileService> {
+    @Autowired
+    private ISysFormFileService sysFormFileService;
+
+    /**
+     * 分页列表查询
+     *
+     * @param sysFormFile
+     * @param pageNo
+     * @param pageSize
+     * @param req
+     * @return
+     */
+    @AutoLog(value = "表单评论文件-分页列表查询")
+    @ApiOperation(value = "表单评论文件-分页列表查询", notes = "表单评论文件-分页列表查询")
+    @GetMapping(value = "/list")
+    public Result<?> queryPageList(SysFormFile sysFormFile,
+                                   @RequestParam(name = "pageNo", defaultValue = "1") Integer pageNo,
+                                   @RequestParam(name = "pageSize", defaultValue = "10") Integer pageSize,
+                                   HttpServletRequest req) {
+        QueryWrapper<SysFormFile> queryWrapper = QueryGenerator.initQueryWrapper(sysFormFile, req.getParameterMap());
+        Page<SysFormFile> page = new Page<SysFormFile>(pageNo, pageSize);
+        IPage<SysFormFile> pageList = sysFormFileService.page(page, queryWrapper);
+        return Result.OK(pageList);
+    }
+
+    /**
+     * 添加
+     *
+     * @param sysFormFile
+     * @return
+     */
+    @AutoLog(value = "表单评论文件-添加")
+    @ApiOperation(value = "表单评论文件-添加", notes = "表单评论文件-添加")
+    @PostMapping(value = "/add")
+    public Result<?> add(@RequestBody SysFormFile sysFormFile) {
+        sysFormFileService.save(sysFormFile);
+        return Result.OK("添加成功！");
+    }
+
+    /**
+     * 编辑
+     *
+     * @param sysFormFile
+     * @return
+     */
+    @AutoLog(value = "表单评论文件-编辑")
+    @ApiOperation(value = "表单评论文件-编辑", notes = "表单评论文件-编辑")
+    @RequestMapping(value = "/edit", method = {RequestMethod.PUT, RequestMethod.POST})
+    public Result<?> edit(@RequestBody SysFormFile sysFormFile) {
+        sysFormFileService.updateById(sysFormFile);
+        return Result.OK("编辑成功!");
+    }
+
+    /**
+     * 通过id删除
+     *
+     * @param id
+     * @return
+     */
+    @AutoLog(value = "表单评论文件-通过id删除")
+    @ApiOperation(value = "表单评论文件-通过id删除", notes = "表单评论文件-通过id删除")
+    @DeleteMapping(value = "/delete")
+    public Result<?> delete(@RequestParam(name = "id", required = true) String id) {
+        sysFormFileService.removeById(id);
+        return Result.OK("删除成功!");
+    }
+
+    /**
+     * 批量删除
+     *
+     * @param ids
+     * @return
+     */
+    @AutoLog(value = "表单评论文件-批量删除")
+    @ApiOperation(value = "表单评论文件-批量删除", notes = "表单评论文件-批量删除")
+    @DeleteMapping(value = "/deleteBatch")
+    public Result<?> deleteBatch(@RequestParam(name = "ids", required = true) String ids) {
+        this.sysFormFileService.removeByIds(Arrays.asList(ids.split(",")));
+        return Result.OK("批量删除成功！");
+    }
+
+    /**
+     * 通过id查询
+     *
+     * @param id
+     * @return
+     */
+    @AutoLog(value = "表单评论文件-通过id查询")
+    @ApiOperation(value = "表单评论文件-通过id查询", notes = "表单评论文件-通过id查询")
+    @GetMapping(value = "/queryById")
+    public Result<?> queryById(@RequestParam(name = "id", required = true) String id) {
+        SysFormFile sysFormFile = sysFormFileService.getById(id);
+        return Result.OK(sysFormFile);
+    }
+
+    /**
+     * 导出excel
+     *
+     * @param request
+     * @param sysFormFile
+     */
+    @RequestMapping(value = "/exportXls")
+    public ModelAndView exportXls(HttpServletRequest request, SysFormFile sysFormFile) {
+        return super.exportXls(request, sysFormFile, SysFormFile.class, "表单评论文件");
+    }
+
+    /**
+     * 通过excel导入数据
+     *
+     * @param request
+     * @param response
+     * @return
+     */
+    @RequestMapping(value = "/importExcel", method = RequestMethod.POST)
+    public Result<?> importExcel(HttpServletRequest request, HttpServletResponse response) {
+        return super.importExcel(request, response, SysFormFile.class);
+    }
+
+}
diff --git a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/entity/SysComment.java b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/entity/SysComment.java
new file mode 100644
index 00000000..d36d09b0
--- /dev/null
+++ b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/entity/SysComment.java
@@ -0,0 +1,80 @@
+package org.jeecg.modules.system.entity;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import com.fasterxml.jackson.annotation.JsonFormat;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.experimental.Accessors;
+import org.jeecg.common.aspect.annotation.Dict;
+import org.jeecgframework.poi.excel.annotation.Excel;
+import org.springframework.format.annotation.DateTimeFormat;
+
+import java.io.Serializable;
+import java.util.Date;
+
+/**
+ * @Description: 系统评论回复表
+ * @Author: jeecg-boot
+ * @Date:   2022-07-19
+ * @Version: V1.0
+ */
+@Data
+@TableName("sys_comment")
+@Accessors(chain = true)
+@EqualsAndHashCode(callSuper = false)
+@ApiModel(value="sys_comment对象", description="系统评论回复表")
+public class SysComment implements Serializable {
+    private static final long serialVersionUID = 1L;
+
+	/**id*/
+	@TableId(type = IdType.ASSIGN_ID)
+    @ApiModelProperty(value = "id")
+    private String id;
+	/**表名*/
+	@Excel(name = "表名", width = 15)
+    @ApiModelProperty(value = "表名")
+    private String tableName;
+	/**数据id*/
+	@Excel(name = "数据id", width = 15)
+    @ApiModelProperty(value = "数据id")
+    private String tableDataId;
+	/**来源用户id*/
+	@Excel(name = "来源用户id", width = 15)
+    @ApiModelProperty(value = "来源用户id")
+    @Dict(dictTable = "sys_user", dicCode = "id", dicText = "realname")
+    private String fromUserId;
+	/**发送给用户id(允许为空)*/
+	@Excel(name = "发送给用户id(允许为空)", width = 15)
+    @ApiModelProperty(value = "发送给用户id(允许为空)")
+    @Dict(dictTable = "sys_user", dicCode = "id", dicText = "realname")
+    private String toUserId;
+	/**评论id(允许为空，不为空时，则为回复)*/
+	@Excel(name = "评论id(允许为空，不为空时，则为回复)", width = 15)
+    @ApiModelProperty(value = "评论id(允许为空，不为空时，则为回复)")
+    @Dict(dictTable = "sys_comment", dicCode = "id", dicText = "comment_content")
+    private String commentId;
+	/**回复内容*/
+	@Excel(name = "回复内容", width = 15)
+    @ApiModelProperty(value = "回复内容")
+    private String commentContent;
+	/**创建人*/
+    @ApiModelProperty(value = "创建人")
+    private String createBy;
+	/**创建日期*/
+	@JsonFormat(timezone = "GMT+8",pattern = "yyyy-MM-dd HH:mm:ss")
+    @DateTimeFormat(pattern="yyyy-MM-dd HH:mm:ss")
+    @ApiModelProperty(value = "创建日期")
+    private Date createTime;
+	/**更新人*/
+    @ApiModelProperty(value = "更新人")
+    private String updateBy;
+	/**更新日期*/
+	@JsonFormat(timezone = "GMT+8",pattern = "yyyy-MM-dd HH:mm:ss")
+    @DateTimeFormat(pattern="yyyy-MM-dd HH:mm:ss")
+    @ApiModelProperty(value = "更新日期")
+    private Date updateTime;
+}
diff --git a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/entity/SysFiles.java b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/entity/SysFiles.java
new file mode 100644
index 00000000..f0df8167
--- /dev/null
+++ b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/entity/SysFiles.java
@@ -0,0 +1,121 @@
+package org.jeecg.modules.system.entity;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import com.fasterxml.jackson.annotation.JsonFormat;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.experimental.Accessors;
+import org.jeecgframework.poi.excel.annotation.Excel;
+import org.springframework.format.annotation.DateTimeFormat;
+import java.util.Date;
+
+/**
+ * @Description: 知识库-文档管理
+ * @Author: jeecg-boot
+ * @Date:   2022-07-21
+ * @Version: V1.0
+ */
+@Data
+@TableName("sys_files")
+@EqualsAndHashCode(callSuper = false)
+@Accessors(chain = true)
+@ApiModel(value="sys_files对象", description="知识库-文档管理")
+public class SysFiles {
+    
+	/**主键id*/
+	@TableId(type = IdType.ASSIGN_ID)
+    @ApiModelProperty(value = "主键id")
+	private String id;
+	/**文件名称*/
+	@Excel(name = "文件名称", width = 15)
+    @ApiModelProperty(value = "文件名称")
+	private String fileName;
+	/**文件地址*/
+	@Excel(name = "文件地址", width = 15)
+    @ApiModelProperty(value = "文件地址")
+	private String url;
+	/**创建人登录名称*/
+	@Excel(name = "创建人登录名称", width = 15)
+    @ApiModelProperty(value = "创建人登录名称")
+	private String createBy;
+	/**创建日期*/
+	@Excel(name = "创建日期", width = 20, format = "yyyy-MM-dd HH:mm:ss")
+	@JsonFormat(timezone = "GMT+8",pattern = "yyyy-MM-dd HH:mm:ss")
+    @DateTimeFormat(pattern="yyyy-MM-dd HH:mm:ss")
+    @ApiModelProperty(value = "创建日期")
+	private Date createTime;
+	/**更新人登录名称*/
+	@Excel(name = "更新人登录名称", width = 15)
+    @ApiModelProperty(value = "更新人登录名称")
+	private String updateBy;
+	/**更新日期*/
+	@Excel(name = "更新日期", width = 20, format = "yyyy-MM-dd HH:mm:ss")
+	@JsonFormat(timezone = "GMT+8",pattern = "yyyy-MM-dd HH:mm:ss")
+    @DateTimeFormat(pattern="yyyy-MM-dd HH:mm:ss")
+    @ApiModelProperty(value = "更新日期")
+	private Date updateTime;
+	/**文档类型（folder:文件夹 excel:excel doc:word pp:ppt image:图片  archive:其他文档 video:视频）*/
+	@Excel(name = "文档类型（folder:文件夹 excel:excel doc:word pp:ppt image:图片  archive:其他文档 video:视频）", width = 15)
+    @ApiModelProperty(value = "文档类型（folder:文件夹 excel:excel doc:word pp:ppt image:图片  archive:其他文档 video:视频）")
+	private String fileType;
+	/**文件上传类型(temp/本地上传(临时文件) manage/知识库)*/
+	@Excel(name = "文件上传类型(temp/本地上传(临时文件) manage/知识库)", width = 15)
+    @ApiModelProperty(value = "文件上传类型(temp/本地上传(临时文件) manage/知识库)")
+	private String storeType;
+	/**父级id*/
+	@Excel(name = "父级id", width = 15)
+    @ApiModelProperty(value = "父级id")
+	private String parentId;
+	/**租户id*/
+	@Excel(name = "租户id", width = 15)
+    @ApiModelProperty(value = "租户id")
+	private String tenantId;
+	/**文件大小（kb）*/
+	@Excel(name = "文件大小（kb）", width = 15)
+    @ApiModelProperty(value = "文件大小（kb）")
+	private Double fileSize;
+	/**是否文件夹(1：是  0：否)*/
+	@Excel(name = "是否文件夹(1：是  0：否)", width = 15)
+    @ApiModelProperty(value = "是否文件夹(1：是  0：否)")
+	private String izFolder;
+	/**是否为1级文件夹，允许为空 (1：是 )*/
+	@Excel(name = "是否为1级文件夹，允许为空 (1：是 )", width = 15)
+    @ApiModelProperty(value = "是否为1级文件夹，允许为空 (1：是 )")
+	private String izRootFolder;
+	/**是否标星(1：是  0：否)*/
+	@Excel(name = "是否标星(1：是  0：否)", width = 15)
+    @ApiModelProperty(value = "是否标星(1：是  0：否)")
+	private String izStar;
+	/**下载次数*/
+	@Excel(name = "下载次数", width = 15)
+    @ApiModelProperty(value = "下载次数")
+	private Integer downCount;
+	/**阅读次数*/
+	@Excel(name = "阅读次数", width = 15)
+    @ApiModelProperty(value = "阅读次数")
+	private Integer readCount;
+	/**分享链接*/
+	@Excel(name = "分享链接", width = 15)
+    @ApiModelProperty(value = "分享链接")
+	private String shareUrl;
+	/**分享权限(1.关闭分享 2.允许所有联系人查看 3.允许任何人查看)*/
+	@Excel(name = "分享权限(1.关闭分享 2.允许所有联系人查看 3.允许任何人查看)", width = 15)
+    @ApiModelProperty(value = "分享权限(1.关闭分享 2.允许所有联系人查看 3.允许任何人查看)")
+	private String sharePerms;
+	/**是否允许下载(1：是  0：否)*/
+	@Excel(name = "是否允许下载(1：是  0：否)", width = 15)
+    @ApiModelProperty(value = "是否允许下载(1：是  0：否)")
+	private String enableDown;
+	/**是否允许修改(1：是  0：否)*/
+	@Excel(name = "是否允许修改(1：是  0：否)", width = 15)
+    @ApiModelProperty(value = "是否允许修改(1：是  0：否)")
+	private String enableUpdat;
+	/**删除状态(0-正常,1-删除至回收站)*/
+	@Excel(name = "删除状态(0-正常,1-删除至回收站)", width = 15)
+    @ApiModelProperty(value = "删除状态(0-正常,1-删除至回收站)")
+	private String delFlag;
+}
diff --git a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/entity/SysFormFile.java b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/entity/SysFormFile.java
new file mode 100644
index 00000000..77057880
--- /dev/null
+++ b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/entity/SysFormFile.java
@@ -0,0 +1,59 @@
+package org.jeecg.modules.system.entity;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import com.fasterxml.jackson.annotation.JsonFormat;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.experimental.Accessors;
+import org.jeecgframework.poi.excel.annotation.Excel;
+import org.springframework.format.annotation.DateTimeFormat;
+import java.util.Date;
+
+/**
+ * @Description: 表单评论文件
+ * @Author: jeecg-boot
+ * @Date:   2022-07-21
+ * @Version: V1.0
+ */
+@Data
+@TableName("sys_form_file")
+@EqualsAndHashCode(callSuper = false)
+@Accessors(chain = true)
+@ApiModel(value="sys_form_file对象", description="表单评论文件")
+public class SysFormFile {
+    
+	/**id*/
+	@TableId(type = IdType.ASSIGN_ID)
+    @ApiModelProperty(value = "id")
+	private String id;
+	/**表名*/
+	@Excel(name = "表名", width = 15)
+    @ApiModelProperty(value = "表名")
+	private String tableName;
+	/**数据id*/
+	@Excel(name = "数据id", width = 15)
+    @ApiModelProperty(value = "数据id")
+	private String tableDataId;
+	/**关联文件id*/
+	@Excel(name = "关联文件id", width = 15)
+    @ApiModelProperty(value = "关联文件id")
+	private String fileId;
+	/**文档类型（folder:文件夹 excel:excel doc:word pp:ppt image:图片  archive:其他文档 video:视频）*/
+	@Excel(name = "文档类型（folder:文件夹 excel:excel doc:word pp:ppt image:图片  archive:其他文档 video:视频）", width = 15)
+	@ApiModelProperty(value = "文档类型（folder:文件夹 excel:excel doc:word pp:ppt image:图片  archive:其他文档 video:视频）")
+	private String fileType;
+	/**创建人登录名称*/
+	@Excel(name = "创建人登录名称", width = 15)
+    @ApiModelProperty(value = "创建人登录名称")
+	private String createBy;
+	/**创建日期*/
+	@Excel(name = "创建日期", width = 20, format = "yyyy-MM-dd HH:mm:ss")
+	@JsonFormat(timezone = "GMT+8",pattern = "yyyy-MM-dd HH:mm:ss")
+    @DateTimeFormat(pattern="yyyy-MM-dd HH:mm:ss")
+    @ApiModelProperty(value = "创建日期")
+	private Date createTime;
+}
diff --git a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/mapper/SysCommentMapper.java b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/mapper/SysCommentMapper.java
new file mode 100644
index 00000000..63c3740c
--- /dev/null
+++ b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/mapper/SysCommentMapper.java
@@ -0,0 +1,40 @@
+package org.jeecg.modules.system.mapper;
+
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import org.apache.ibatis.annotations.Param;
+import org.jeecg.modules.system.entity.SysComment;
+import org.jeecg.modules.system.vo.SysCommentFileVo;
+import org.jeecg.modules.system.vo.SysCommentVO;
+import org.jeecg.modules.system.vo.UserAvatar;
+
+import java.util.List;
+import java.util.Set;
+
+/**
+ * @Description: 系统评论回复表
+ * @Author: jeecg-boot
+ * @Date: 2022-07-19
+ * @Version: V1.0
+ */
+public interface SysCommentMapper extends BaseMapper<SysComment> {
+
+    List<SysCommentVO> queryCommentList(@Param("tableName") String tableName, @Param("formDataId") String formDataId);
+
+    /**
+     * 根据表名和数据id查询表单文件
+     *
+     * @param tableName
+     * @param formDataId
+     * @return
+     */
+    List<SysCommentFileVo> queryFormFileList(@Param("tableName") String tableName, @Param("formDataId") String formDataId);
+
+    /**
+     * 根据用户名获取用户信息
+     * @param idSet
+     * @return
+     */
+    List<UserAvatar> queryUserAvatarList(@Param("idSet") Set<String> idSet);
+
+}
diff --git a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/mapper/SysFilesMapper.java b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/mapper/SysFilesMapper.java
new file mode 100644
index 00000000..0ed7e17c
--- /dev/null
+++ b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/mapper/SysFilesMapper.java
@@ -0,0 +1,14 @@
+package org.jeecg.modules.system.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import org.jeecg.modules.system.entity.SysFiles;
+
+/**
+ * @Description: 知识库-文档管理
+ * @Author: jeecg-boot
+ * @Date: 2022-07-21
+ * @Version: V1.0
+ */
+public interface SysFilesMapper extends BaseMapper<SysFiles> {
+
+}
diff --git a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/mapper/SysFormFileMapper.java b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/mapper/SysFormFileMapper.java
new file mode 100644
index 00000000..8287514c
--- /dev/null
+++ b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/mapper/SysFormFileMapper.java
@@ -0,0 +1,14 @@
+package org.jeecg.modules.system.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import org.jeecg.modules.system.entity.SysFormFile;
+
+/**
+ * @Description: 表单评论文件
+ * @Author: jeecg-boot
+ * @Date: 2022-07-21
+ * @Version: V1.0
+ */
+public interface SysFormFileMapper extends BaseMapper<SysFormFile> {
+
+}
diff --git a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/mapper/xml/SysCommentMapper.xml b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/mapper/xml/SysCommentMapper.xml
new file mode 100644
index 00000000..e7c2183b
--- /dev/null
+++ b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/mapper/xml/SysCommentMapper.xml
@@ -0,0 +1,80 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="org.jeecg.modules.system.mapper.SysCommentMapper">
+
+    <resultMap id="commentResult" type="org.jeecg.modules.system.vo.SysCommentVO">
+        <id property="id" column="id" jdbcType="VARCHAR"/>
+        <result property="tableName" column="table_name" jdbcType="VARCHAR"/>
+        <result property="tableDataId" column="table_data_id" jdbcType="VARCHAR"/>
+        <result property="fromUserId" column="from_user_id" jdbcType="VARCHAR"/>
+        <result property="commentContent" column="comment_content" jdbcType="VARCHAR"/>
+        <result property="createTime" column="create_time" jdbcType="TIMESTAMP"/>
+        <result property="toUserId" column="to_user_id" jdbcType="VARCHAR"/>
+        <result property="commentId" column="comment_id" jdbcType="VARCHAR"/>
+        <!-- 8+6 -->
+        <collection property="fileList" ofType="org.jeecg.modules.system.vo.SysCommentFileVo" javaType="java.util.List">
+            <result property="sysFormFileId" column="sys_form_file_id" jdbcType="VARCHAR"/>
+            <result property="fileId" column="file_id" jdbcType="VARCHAR"/>
+            <result property="name" column="file_name" jdbcType="VARCHAR"/>
+            <result property="fileSize" column="file_size" jdbcType="VARCHAR"/>
+            <result property="url" column="url" jdbcType="VARCHAR"/>
+            <result property="type" column="file_type" jdbcType="VARCHAR"/>
+            <result property="storeType" column="store_type" jdbcType="VARCHAR"/>
+        </collection>
+    </resultMap>
+
+    <!-- 根据表名和数据id查询表单评论信息及文件 -->
+    <select id="queryCommentList" resultMap="commentResult">
+	   select
+            a.id,
+            a.table_name,
+            a.table_data_id,
+            a.from_user_id,
+            a.comment_content,
+            a.create_time,
+            a.to_user_id,
+            a.comment_id,
+            b.id as sys_form_file_id,
+            c.id as file_id,
+            c.file_name,
+            c.file_size,
+            c.url,
+            c.file_type,
+            c.store_type
+         from sys_comment a
+         left join sys_form_file b on b.table_name = 'sys_comment' and b.table_data_id = a.id
+         left join sys_files c on b.file_id = c.id and c.del_flag = '0'
+	   where a.table_name = #{tableName, jdbcType=VARCHAR}
+	   and a.table_data_id = #{formDataId, jdbcType=VARCHAR}
+	   order by a.create_time asc
+	</select>
+
+    <!-- 根据表名和数据id查询表单文件 -->
+    <select id="queryFormFileList" resultType="org.jeecg.modules.system.vo.SysCommentFileVo">
+	   select
+            b.id as sys_form_file_id,
+            c.id as file_id,
+            c.file_name as name,
+            c.file_size,
+            c.url,
+            c.file_type as type,
+            c.store_type
+         from sys_comment a
+         join sys_form_file b on b.table_name = 'sys_comment' and b.table_data_id = a.id
+         join sys_files c on b.file_id = c.id
+	   where c.del_flag = '0'
+	   and a.table_name = #{tableName, jdbcType=VARCHAR}
+	   and a.table_data_id = #{formDataId, jdbcType=VARCHAR}
+	   order by a.create_time asc
+	</select>
+
+    <!-- 根据用户名获取用户信息 -->
+    <select id="queryUserAvatarList" resultType="org.jeecg.modules.system.vo.UserAvatar">
+	   select id,  avatar, realname from sys_user
+        WHERE id IN 
+        <foreach item="id" collection="idSet"  open="(" separator="or" close=")">
+            #{id}
+        </foreach>
+	</select>
+
+</mapper>
\ No newline at end of file
diff --git a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/service/ISysCommentService.java b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/service/ISysCommentService.java
new file mode 100644
index 00000000..3e4e686d
--- /dev/null
+++ b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/service/ISysCommentService.java
@@ -0,0 +1,60 @@
+package org.jeecg.modules.system.service;
+
+import com.baomidou.mybatisplus.extension.service.IService;
+import org.jeecg.modules.system.entity.SysComment;
+import org.jeecg.modules.system.vo.SysCommentFileVo;
+import org.jeecg.modules.system.vo.SysCommentVO;
+
+import javax.servlet.http.HttpServletRequest;
+import java.util.List;
+
+/**
+ * @Description: 系统评论回复表
+ * @Author: jeecg-boot
+ * @Date: 2022-07-19
+ * @Version: V1.0
+ */
+public interface ISysCommentService extends IService<SysComment> {
+
+
+    /**
+     * 保存评论 返回评论ID
+     *
+     * @param sysComment
+     */
+    String saveOne(SysComment sysComment);
+
+    /**
+     * 删除
+     *
+     * @param id
+     */
+    void deleteOne(String id);
+
+    /**
+     * 根据表名和数据id查询表单评论及文件信息
+     *
+     * @param sysComment
+     * @return
+     */
+    List<SysCommentVO> queryFormCommentInfo(SysComment sysComment);
+
+
+    /**
+     * 保存文件+评论
+     *
+     * @param req
+     */
+    void saveOneFileComment(HttpServletRequest req);
+
+
+    /**
+     * 查询当前表单的文件列表
+     *
+     * @param tableName
+     * @param formDataId
+     * @return
+     */
+    List<SysCommentFileVo> queryFormFileList(String tableName, String formDataId);
+
+}
diff --git a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/service/ISysFilesService.java b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/service/ISysFilesService.java
new file mode 100644
index 00000000..1bcb7ead
--- /dev/null
+++ b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/service/ISysFilesService.java
@@ -0,0 +1,14 @@
+package org.jeecg.modules.system.service;
+
+import com.baomidou.mybatisplus.extension.service.IService;
+import org.jeecg.modules.system.entity.SysFiles;
+
+/**
+ * @Description: 知识库-文档管理
+ * @Author: jeecg-boot
+ * @Date: 2022-07-21
+ * @Version: V1.0
+ */
+public interface ISysFilesService extends IService<SysFiles> {
+
+}
diff --git a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/service/ISysFormFileService.java b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/service/ISysFormFileService.java
new file mode 100644
index 00000000..2a2e4f97
--- /dev/null
+++ b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/service/ISysFormFileService.java
@@ -0,0 +1,14 @@
+package org.jeecg.modules.system.service;
+
+import com.baomidou.mybatisplus.extension.service.IService;
+import org.jeecg.modules.system.entity.SysFormFile;
+
+/**
+ * @Description: 表单评论文件
+ * @Author: jeecg-boot
+ * @Date: 2022-07-21
+ * @Version: V1.0
+ */
+public interface ISysFormFileService extends IService<SysFormFile> {
+
+}
diff --git a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/service/impl/SysCommentServiceImpl.java b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/service/impl/SysCommentServiceImpl.java
new file mode 100644
index 00000000..9516c737
--- /dev/null
+++ b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/service/impl/SysCommentServiceImpl.java
@@ -0,0 +1,303 @@
+package org.jeecg.modules.system.service.impl;
+
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.core.toolkit.IdWorker;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import org.jeecg.common.api.dto.message.MessageDTO;
+import org.jeecg.common.constant.CommonConstant;
+import org.jeecg.common.constant.SymbolConstant;
+import org.jeecg.common.constant.enums.FileTypeEnum;
+import org.jeecg.common.constant.enums.MessageTypeEnum;
+import org.jeecg.common.exception.JeecgBootException;
+import org.jeecg.common.system.api.ISysBaseAPI;
+import org.jeecg.common.util.CommonUtils;
+import org.jeecg.common.util.RedisUtil;
+import org.jeecg.common.util.oConvertUtils;
+import org.jeecg.modules.system.entity.SysComment;
+import org.jeecg.modules.system.entity.SysFiles;
+import org.jeecg.modules.system.entity.SysFormFile;
+import org.jeecg.modules.system.mapper.SysCommentMapper;
+import org.jeecg.modules.system.mapper.SysFilesMapper;
+import org.jeecg.modules.system.mapper.SysFormFileMapper;
+import org.jeecg.modules.system.service.ISysCommentService;
+import org.jeecg.modules.system.vo.SysCommentFileVo;
+import org.jeecg.modules.system.vo.SysCommentVO;
+import org.jeecg.modules.system.vo.UserAvatar;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+import org.springframework.util.FileCopyUtils;
+import org.springframework.web.multipart.MultipartFile;
+import org.springframework.web.multipart.MultipartHttpServletRequest;
+
+import javax.servlet.http.HttpServletRequest;
+import java.io.File;
+import java.io.IOException;
+import java.util.*;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * @Description: 系统评论回复表
+ * @Author: jeecg-boot
+ * @Date: 2022-07-19
+ * @Version: V1.0
+ */
+@Service
+public class SysCommentServiceImpl extends ServiceImpl<SysCommentMapper, SysComment> implements ISysCommentService {
+
+    @Autowired
+    private ISysBaseAPI sysBaseApi;
+
+    @Autowired
+    private SysFormFileMapper sysFormFileMapper;
+
+    @Autowired
+    private SysFilesMapper sysFilesMapper;
+
+    @Autowired
+    private RedisUtil redisUtil;
+
+    @Value(value = "${jeecg.path.upload}")
+    private String uploadpath;
+
+    @Value(value = "${jeecg.uploadType}")
+    private String uploadType;
+
+    /**
+     * sysFormFile中的表名
+     */
+    private static final String SYS_FORM_FILE_TABLE_NAME = "sys_comment";
+
+    @Override
+    public List<SysCommentVO> queryFormCommentInfo(SysComment sysComment) {
+        String tableName = sysComment.getTableName();
+        String dataId = sysComment.getTableDataId();
+        //获取评论信息
+        List<SysCommentVO> list = this.baseMapper.queryCommentList(tableName, dataId);
+        // 获取评论相关人员
+        Set<String> personSet = new HashSet<>();
+        if(list!=null && list.size()>0){
+            for(SysCommentVO vo: list){
+                if(oConvertUtils.isNotEmpty(vo.getFromUserId())){
+                    personSet.add(vo.getFromUserId());    
+                }
+                if(oConvertUtils.isNotEmpty(vo.getToUserId())){
+                    personSet.add(vo.getToUserId());
+                }
+            }
+        }
+        if(personSet.size()>0){
+            //获取用户信息
+            Map<String, UserAvatar> userAvatarMap = queryUserAvatar(personSet);
+            for(SysCommentVO vo: list){
+                String formId = vo.getFromUserId();
+                String toId = vo.getToUserId();
+                // 设置头像、用户名
+                if(oConvertUtils.isNotEmpty(formId)){
+                    UserAvatar fromUser = userAvatarMap.get(formId);
+                    if(fromUser!=null){
+                        vo.setFromUserId_dictText(fromUser.getRealname());
+                        vo.setFromUserAvatar(fromUser.getAvatar());
+                    }
+                }
+                if(oConvertUtils.isNotEmpty(toId)){
+                    UserAvatar toUser = userAvatarMap.get(toId);
+                    if(toUser!=null){
+                        vo.setToUserId_dictText(toUser.getRealname());
+                        vo.setToUserAvatar(toUser.getAvatar());
+                    }
+                }
+            }
+        }
+        return list;
+    }
+
+    @Transactional(rollbackFor = Exception.class)
+    @Override
+    public void saveOneFileComment(HttpServletRequest request) {
+        String savePath = "";
+        String bizPath = request.getParameter("biz");
+        //LOWCOD-2580 sys/common/upload接口存在任意文件上传漏洞
+        if (oConvertUtils.isNotEmpty(bizPath)) {
+            if (bizPath.contains(SymbolConstant.SPOT_SINGLE_SLASH) || bizPath.contains(SymbolConstant.SPOT_DOUBLE_BACKSLASH)) {
+                throw new JeecgBootException("上传目录bizPath，格式非法！");
+            }
+        }
+        MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;
+        // 获取上传文件对象
+        MultipartFile file = multipartRequest.getFile("file");
+        if (oConvertUtils.isEmpty(bizPath)) {
+            if (CommonConstant.UPLOAD_TYPE_OSS.equals(uploadType)) {
+                //未指定目录，则用阿里云默认目录 upload
+                bizPath = "upload";
+            } else {
+                bizPath = "";
+            }
+        }
+        if (CommonConstant.UPLOAD_TYPE_LOCAL.equals(uploadType)) {
+            savePath = this.uploadLocal(file, bizPath);
+        } else {
+            savePath = CommonUtils.upload(file, bizPath, uploadType);
+        }
+
+        String orgName = file.getOriginalFilename();
+        // 获取文件名
+        orgName = CommonUtils.getFileName(orgName);
+        //文件大小
+        long size = file.getSize();
+        //文件类型
+        String type = orgName.substring(orgName.lastIndexOf("."), orgName.length());
+        FileTypeEnum fileType = FileTypeEnum.getByType(type);
+
+        //保存至 SysFiles
+        SysFiles sysFiles = new SysFiles();
+        sysFiles.setFileName(orgName);
+        sysFiles.setUrl(savePath);
+        sysFiles.setFileType(fileType.getValue());
+        sysFiles.setStoreType("temp");
+        if (size > 0) {
+            sysFiles.setFileSize(Double.parseDouble(String.valueOf(size)));
+        }
+        String defaultValue = "0";
+        sysFiles.setIzStar(defaultValue);
+        sysFiles.setIzFolder(defaultValue);
+        sysFiles.setIzRootFolder(defaultValue);
+        sysFiles.setDelFlag(defaultValue);
+        String fileId = String.valueOf(IdWorker.getId());
+        sysFiles.setId(fileId);
+        sysFilesMapper.insert(sysFiles);
+
+        //保存至 SysFormFile
+        String tableName = SYS_FORM_FILE_TABLE_NAME;
+        String tableDataId = request.getParameter("commentId");
+        SysFormFile sysFormFile = new SysFormFile();
+        sysFormFile.setTableName(tableName);
+        sysFormFile.setFileType(fileType.getValue());
+        sysFormFile.setTableDataId(tableDataId);
+        sysFormFile.setFileId(fileId);
+        sysFormFileMapper.insert(sysFormFile);
+
+    }
+
+    @Override
+    public List<SysCommentFileVo> queryFormFileList(String tableName, String formDataId) {
+        List<SysCommentFileVo> list = baseMapper.queryFormFileList(tableName, formDataId);
+        return list;
+    }
+
+    @Override
+    public String saveOne(SysComment sysComment) {
+        this.save(sysComment);
+        //发送系统消息
+        String content = sysComment.getCommentContent();
+        if (content.indexOf("@") >= 0) {
+            Set<String> set = getCommentUsername(content);
+            if (set.size() > 0) {
+                String users = String.join(",", set);
+                MessageDTO md = new MessageDTO();
+                md.setTitle("有人在表单评论中提到了你");
+                md.setContent(content);
+                md.setToAll(false);
+                md.setToUser(users);
+                md.setFromUser("system");
+                md.setType(MessageTypeEnum.XT.getType());
+                sysBaseApi.sendTemplateMessage(md);
+            }
+        }
+        return sysComment.getId();
+    }
+
+    @Override
+    public void deleteOne(String id) {
+        this.removeById(id);
+        //还要删除关联文件
+        LambdaQueryWrapper<SysFormFile> query = new LambdaQueryWrapper<SysFormFile>()
+                .eq(SysFormFile::getTableDataId, id)
+                .eq(SysFormFile::getTableName, SYS_FORM_FILE_TABLE_NAME);
+        this.sysFormFileMapper.delete(query);
+    }
+
+    /**
+     * 通过正则获取评论中的用户账号
+     *
+     * @return
+     */
+    private Set<String> getCommentUsername(String content) {
+        Set<String> set = new HashSet<String>(3);
+        String reg = "(@(.*?)\\[(.*?)\\])";
+        Pattern p = Pattern.compile(reg);
+        Matcher m = p.matcher(content);
+        while (m.find()) {
+            if (m.groupCount() == 3) {
+                String username = m.group(3);
+                set.add(username);
+            }
+        }
+        return set;
+    }
+
+
+    /**
+     * 本地文件上传
+     *
+     * @param mf      文件
+     * @param bizPath 自定义路径
+     * @return
+     */
+    private String uploadLocal(MultipartFile mf, String bizPath) {
+        //LOWCOD-2580 sys/common/upload接口存在任意文件上传漏洞
+        if (oConvertUtils.isNotEmpty(bizPath) && (bizPath.contains("../") || bizPath.contains("..\\"))) {
+            throw new JeecgBootException("上传目录bizPath，格式非法！");
+        }
+        try {
+            String ctxPath = uploadpath;
+            String fileName = null;
+            File file = new File(ctxPath + File.separator + bizPath + File.separator);
+            if (!file.exists()) {
+                file.mkdirs();// 创建文件根目录
+            }
+            String orgName = mf.getOriginalFilename();// 获取文件名
+            orgName = CommonUtils.getFileName(orgName);
+            if (orgName.indexOf(".") != -1) {
+                fileName = orgName.substring(0, orgName.lastIndexOf(".")) + "_" + System.currentTimeMillis() + orgName.substring(orgName.indexOf("."));
+            } else {
+                fileName = orgName + "_" + System.currentTimeMillis();
+            }
+            String savePath = file.getPath() + File.separator + fileName;
+            File savefile = new File(savePath);
+            FileCopyUtils.copy(mf.getBytes(), savefile);
+            String dbpath = null;
+            if (oConvertUtils.isNotEmpty(bizPath)) {
+                dbpath = bizPath + File.separator + fileName;
+            } else {
+                dbpath = fileName;
+            }
+            if (dbpath.contains("\\")) {
+                dbpath = dbpath.replace("\\", "/");
+            }
+            return dbpath;
+        } catch (IOException e) {
+            log.error(e.getMessage(), e);
+        }
+        return "";
+    }
+
+    /**
+     * 查询用户信息
+     * @param idSet
+     * @return
+     */
+    private Map<String, UserAvatar> queryUserAvatar(Set<String> idSet){
+        List<UserAvatar> list = this.baseMapper.queryUserAvatarList(idSet);
+        Map<String, UserAvatar> map = new HashMap<>();
+        if(list!=null && list.size()>0){
+            for(UserAvatar user: list){
+                map.put(user.getId(), user);
+            }
+        }
+        return map;
+    }
+    
+}
diff --git a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/service/impl/SysFilesServiceImpl.java b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/service/impl/SysFilesServiceImpl.java
new file mode 100644
index 00000000..50f45589
--- /dev/null
+++ b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/service/impl/SysFilesServiceImpl.java
@@ -0,0 +1,19 @@
+package org.jeecg.modules.system.service.impl;
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import org.jeecg.modules.system.entity.SysFiles;
+import org.jeecg.modules.system.mapper.SysFilesMapper;
+import org.jeecg.modules.system.service.ISysFilesService;
+import org.springframework.stereotype.Service;
+
+
+/**
+ * @Description: 知识库-文档管理
+ * @Author: jeecg-boot
+ * @Date: 2022-07-21
+ * @Version: V1.0
+ */
+@Service
+public class SysFilesServiceImpl extends ServiceImpl<SysFilesMapper, SysFiles> implements ISysFilesService {
+
+}
diff --git a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/service/impl/SysFormFileServiceImpl.java b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/service/impl/SysFormFileServiceImpl.java
new file mode 100644
index 00000000..acc217b9
--- /dev/null
+++ b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/service/impl/SysFormFileServiceImpl.java
@@ -0,0 +1,19 @@
+package org.jeecg.modules.system.service.impl;
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import org.jeecg.modules.system.entity.SysFormFile;
+import org.jeecg.modules.system.mapper.SysFormFileMapper;
+import org.jeecg.modules.system.service.ISysFormFileService;
+import org.springframework.stereotype.Service;
+
+
+/**
+ * @Description: 表单评论文件
+ * @Author: jeecg-boot
+ * @Date: 2022-07-21
+ * @Version: V1.0
+ */
+@Service
+public class SysFormFileServiceImpl extends ServiceImpl<SysFormFileMapper, SysFormFile> implements ISysFormFileService {
+
+}
diff --git a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/vo/SysCommentFileVo.java b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/vo/SysCommentFileVo.java
new file mode 100644
index 00000000..adf726db
--- /dev/null
+++ b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/vo/SysCommentFileVo.java
@@ -0,0 +1,44 @@
+package org.jeecg.modules.system.vo;
+
+import lombok.Data;
+
+/**
+ * @Description: 文档VO
+ * @Author: jeecg-boot
+ * @Date: 2022-07-21
+ * @Version: V1.0
+ */
+@Data
+public class SysCommentFileVo {
+
+    /**
+     * sys_files id
+     */
+    private String fileId;
+    /**
+     * sys_form_file id
+     */
+    private String sysFormFileId;
+    /**
+     * 文件名称
+     */
+    private String name;
+
+    private Double fileSize;
+
+    /**
+     * 文件地址
+     */
+    private String url;
+
+    /**
+     * 文档类型（folder:文件夹 excel:excel doc:word pp:ppt image:图片  archive:其他文档 video:视频）
+     */
+    private String type;
+
+    /**
+     * 文件上传类型(temp/本地上传(临时文件) manage/知识库)
+     */
+    private String storeType;
+
+}
diff --git a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/vo/SysCommentVO.java b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/vo/SysCommentVO.java
new file mode 100644
index 00000000..d11bbab1
--- /dev/null
+++ b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/vo/SysCommentVO.java
@@ -0,0 +1,91 @@
+package org.jeecg.modules.system.vo;
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+import org.jeecg.common.aspect.annotation.Dict;
+import org.springframework.format.annotation.DateTimeFormat;
+
+import java.io.Serializable;
+import java.util.Date;
+import java.util.List;
+
+/**
+ * @Description: VO 评论信息+文件信息
+ * @Author: jeecg-boot
+ * @Date: 2022-07-19
+ * @Version: V1.0
+ */
+@Data
+public class SysCommentVO implements Serializable {
+    private static final long serialVersionUID = 1L;
+
+    /**
+     * id
+     */
+    private String id;
+    /**
+     * 表名
+     */
+    private String tableName;
+    /**
+     * 数据id
+     */
+    private String tableDataId;
+    /**
+     * 来源用户id
+     */
+    private String fromUserId;
+    /**
+     * 回复内容
+     */
+    private String commentContent;
+    /**
+     * 创建日期
+     */
+    @JsonFormat(timezone = "GMT+8", pattern = "yyyy-MM-dd HH:mm:ss")
+    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
+    @ApiModelProperty(value = "创建日期")
+    private Date createTime;
+
+    /**
+     * 文件信息
+     */
+    private List<SysCommentFileVo> fileList;
+
+    /**
+     * 发送给用户id(允许为空)
+     */
+    @Dict(dictTable = "sys_user", dicCode = "id", dicText = "realname")
+    private String toUserId;
+    
+    /**
+     * 评论id(允许为空，不为空时，则为回复)
+     */
+    private String commentId;
+
+    /**
+     * 发消息人的realname
+     */
+    private String fromUserId_dictText;
+
+    /**
+     * 被回复消息人的realname
+     */
+    private String toUserId_dictText;
+
+    /**
+     * 发消息人的头像
+     */
+    private String fromUserAvatar;
+
+    /**
+     * 被回复消息人的头像
+     */
+    private String toUserAvatar;
+    
+    public SysCommentVO() {
+
+    }
+
+}
diff --git a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/vo/UserAvatar.java b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/vo/UserAvatar.java
new file mode 100644
index 00000000..d55e2f99
--- /dev/null
+++ b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/vo/UserAvatar.java
@@ -0,0 +1,19 @@
+package org.jeecg.modules.system.vo;
+
+import lombok.Data;
+
+/**
+ *  用户名和头像信息
+ * @Author taoYan
+ * @Date 2022/8/8 17:06
+ **/
+@Data
+public class UserAvatar {
+    
+    private String id;
+    
+    private String realname;
+    
+    private String avatar;
+    
+}