diff --git a/biji-houdaun/src/main/java/com/test/bijihoudaun/controller/MarkdownController.java b/biji-houdaun/src/main/java/com/test/bijihoudaun/controller/MarkdownController.java
index fc73057..cde5258 100644
--- a/biji-houdaun/src/main/java/com/test/bijihoudaun/controller/MarkdownController.java
+++ b/biji-houdaun/src/main/java/com/test/bijihoudaun/controller/MarkdownController.java
@@ -61,10 +61,9 @@ public class MarkdownController {
     @Parameters({
             @Parameter(name = "id", description = "Markdown文件ID", required = true),
     })
-    @PostMapping("/delete")
-    public R<Void> deleteMarkdown(String id) {
-        long l = Long.parseLong(id);
-        if (markdownFileService.deleteMarkdownFile(l)) {
+    @DeleteMapping("/{id}")
+    public R<Void> deleteMarkdown(@PathVariable Long id) {
+        if (markdownFileService.deleteMarkdownFile(id)) {
             return R.success();
         }
         return R.fail();
diff --git a/biji-houdaun/src/main/java/com/test/bijihoudaun/entity/TrashItemVo.java b/biji-houdaun/src/main/java/com/test/bijihoudaun/entity/TrashItemVo.java
index 4e8368e..91c8ad7 100644
--- a/biji-houdaun/src/main/java/com/test/bijihoudaun/entity/TrashItemVo.java
+++ b/biji-houdaun/src/main/java/com/test/bijihoudaun/entity/TrashItemVo.java
@@ -13,7 +13,7 @@ public class TrashItemVo {
     private String id;
 
     @Schema(description = "项目名称（笔记标题或分组名称）")
-    private String name;
+    private String title;
 
     @Schema(description = "项目类型（note 或 group）")
     private String type;
diff --git a/biji-houdaun/src/main/java/com/test/bijihoudaun/mapper/GroupingMapper.java b/biji-houdaun/src/main/java/com/test/bijihoudaun/mapper/GroupingMapper.java
index 48ecb89..ee642fe 100644
--- a/biji-houdaun/src/main/java/com/test/bijihoudaun/mapper/GroupingMapper.java
+++ b/biji-houdaun/src/main/java/com/test/bijihoudaun/mapper/GroupingMapper.java
@@ -3,7 +3,13 @@ package com.test.bijihoudaun.mapper;
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 import com.test.bijihoudaun.entity.Grouping;
 import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Select;
+
+import java.util.List;
 
 @Mapper
 public interface GroupingMapper extends BaseMapper<Grouping> {
+
+    @Select("SELECT * FROM grouping WHERE is_deleted = 1")
+    List<Grouping> selectDeleted();
 }
diff --git a/biji-houdaun/src/main/java/com/test/bijihoudaun/mapper/MarkdownFileMapper.java b/biji-houdaun/src/main/java/com/test/bijihoudaun/mapper/MarkdownFileMapper.java
index d7f8483..32efec9 100644
--- a/biji-houdaun/src/main/java/com/test/bijihoudaun/mapper/MarkdownFileMapper.java
+++ b/biji-houdaun/src/main/java/com/test/bijihoudaun/mapper/MarkdownFileMapper.java
@@ -15,6 +15,7 @@ public interface MarkdownFileMapper extends BaseMapper<MarkdownFile> {
     @Select("SELECT mf.*, g.grouping as groupingName " +
             "FROM markdown_file mf " +
             "LEFT JOIN grouping g ON mf.grouping_id = g.id " +
+            "WHERE mf.is_deleted = 0 " +
             "ORDER BY mf.updated_at DESC " +
             "LIMIT #{limit}")
     List<MarkdownFileVO> selectRecentWithGrouping(@Param("limit") int limit);
@@ -22,7 +23,10 @@ public interface MarkdownFileMapper extends BaseMapper<MarkdownFile> {
     @Select("SELECT mf.*, g.grouping as groupingName " +
             "FROM markdown_file mf " +
             "LEFT JOIN grouping g ON mf.grouping_id = g.id " +
-            "WHERE mf.grouping_id = #{groupingId} " +
+            "WHERE mf.grouping_id = #{groupingId} AND mf.is_deleted = 0 " +
             "ORDER BY mf.updated_at DESC")
     List<MarkdownFileVO> selectByGroupingIdWithGrouping(@Param("groupingId") String groupingId);
+
+    @Select("SELECT * FROM markdown_file WHERE is_deleted = 1")
+    List<MarkdownFile> selectDeleted();
 }
diff --git a/biji-houdaun/src/main/java/com/test/bijihoudaun/service/impl/GroupingServiceImpl.java b/biji-houdaun/src/main/java/com/test/bijihoudaun/service/impl/GroupingServiceImpl.java
index e52f470..c42357f 100644
--- a/biji-houdaun/src/main/java/com/test/bijihoudaun/service/impl/GroupingServiceImpl.java
+++ b/biji-houdaun/src/main/java/com/test/bijihoudaun/service/impl/GroupingServiceImpl.java
@@ -54,12 +54,19 @@ public class GroupingServiceImpl
     @Override
     @Transactional
     public void deleteGrouping(Long id) {
-        LambdaUpdateWrapper<MarkdownFile> updateWrapper = new LambdaUpdateWrapper<>();
-        updateWrapper.eq(MarkdownFile::getGroupingId, id)
-                .set(MarkdownFile::getGroupingId, 999L);
-        markdownFileMapper.update(null, updateWrapper);
+        // 1. 使用 LambdaUpdateWrapper 软删除分组本身，确保 isDeleted 和 deletedAt 都被更新
+        LambdaUpdateWrapper<Grouping> groupingUpdateWrapper = new LambdaUpdateWrapper<>();
+        groupingUpdateWrapper.eq(Grouping::getId, id)
+                .set(Grouping::getIsDeleted, 1)
+                .set(Grouping::getDeletedAt, new java.util.Date());
+        this.update(groupingUpdateWrapper);
 
-        this.removeById(id);
+        // 2. 将该分组下的所有笔记也一并软删除
+        LambdaUpdateWrapper<MarkdownFile> markdownFileUpdateWrapper = new LambdaUpdateWrapper<>();
+        markdownFileUpdateWrapper.eq(MarkdownFile::getGroupingId, id)
+                .set(MarkdownFile::getIsDeleted, 1)
+                .set(MarkdownFile::getDeletedAt, new java.util.Date());
+        markdownFileMapper.update(null, markdownFileUpdateWrapper);
     }
 
     @Override
diff --git a/biji-houdaun/src/main/java/com/test/bijihoudaun/service/impl/MarkdownFileServiceImpl.java b/biji-houdaun/src/main/java/com/test/bijihoudaun/service/impl/MarkdownFileServiceImpl.java
index 54d2b4c..8e2e1ec 100644
--- a/biji-houdaun/src/main/java/com/test/bijihoudaun/service/impl/MarkdownFileServiceImpl.java
+++ b/biji-houdaun/src/main/java/com/test/bijihoudaun/service/impl/MarkdownFileServiceImpl.java
@@ -1,6 +1,7 @@
 package com.test.bijihoudaun.service.impl;
 
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.test.bijihoudaun.entity.MarkdownFile;
 import com.test.bijihoudaun.entity.MarkdownFileVO;
@@ -52,7 +53,11 @@ public class MarkdownFileServiceImpl
     
     @Override
     public boolean deleteMarkdownFile(Long id) {
-        return this.removeById(id);
+        LambdaUpdateWrapper<MarkdownFile> updateWrapper = new LambdaUpdateWrapper<>();
+        updateWrapper.eq(MarkdownFile::getId, id)
+                .set(MarkdownFile::getIsDeleted, 1)
+                .set(MarkdownFile::getDeletedAt, new Date());
+        return this.update(updateWrapper);
     }
 
     @Override
diff --git a/biji-houdaun/src/main/java/com/test/bijihoudaun/service/impl/TrashServiceImpl.java b/biji-houdaun/src/main/java/com/test/bijihoudaun/service/impl/TrashServiceImpl.java
index 1432fc1..06ef803 100644
--- a/biji-houdaun/src/main/java/com/test/bijihoudaun/service/impl/TrashServiceImpl.java
+++ b/biji-houdaun/src/main/java/com/test/bijihoudaun/service/impl/TrashServiceImpl.java
@@ -26,13 +26,13 @@ public class TrashServiceImpl implements TrashService {
 
     @Override
     public List<TrashItemVo> getTrashItems() {
-        // 查询已删除的笔记
-        List<TrashItemVo> deletedNotes = markdownFileMapper.selectList(new QueryWrapper<MarkdownFile>().eq("is_deleted", 1))
+        // 调用自定义的Mapper方法查询已删除的笔记，绕过全局逻辑删除过滤器
+        List<TrashItemVo> deletedNotes = markdownFileMapper.selectDeleted()
                 .stream()
                 .map(file -> {
                     TrashItemVo vo = new TrashItemVo();
                     vo.setId(String.valueOf(file.getId()));
-                    vo.setName(file.getTitle());
+                    vo.setTitle(file.getTitle());
                     vo.setType("note");
                     vo.setDeletedAt(file.getDeletedAt());
                     vo.setDeletedBy(String.valueOf(file.getDeletedBy()));
@@ -40,13 +40,13 @@ public class TrashServiceImpl implements TrashService {
                 })
                 .collect(Collectors.toList());
 
-        // 查询已删除的分组
-        List<TrashItemVo> deletedGroups = groupingMapper.selectList(new QueryWrapper<Grouping>().eq("is_deleted", 1))
+        // 调用自定义的Mapper方法查询已删除的分组
+        List<TrashItemVo> deletedGroups = groupingMapper.selectDeleted()
                 .stream()
                 .map(group -> {
                     TrashItemVo vo = new TrashItemVo();
                     vo.setId(String.valueOf(group.getId()));
-                    vo.setName(group.getGrouping());
+                    vo.setTitle(group.getGrouping());
                     vo.setType("group");
                     vo.setDeletedAt(group.getDeletedAt());
                     vo.setDeletedBy(String.valueOf(group.getDeletedBy()));
diff --git a/biji-qianduan/src/api/CommonApi.js b/biji-qianduan/src/api/CommonApi.js
index f4eaf91..3340eb7 100644
--- a/biji-qianduan/src/api/CommonApi.js
+++ b/biji-qianduan/src/api/CommonApi.js
@@ -40,7 +40,7 @@ export const uploadImage = (file) => {
 }
 
 // 删除Markdown文件
-export const deleteMarkdown = (id) => axiosApi.post(`/api/markdown/delete?id=${id}`);
+export const deleteMarkdown = (id) => axiosApi.delete(`/api/markdown/${id}`);
 // 根据分组ID获取Markdown文件列表
 export const markdownList = (groupingId) => axiosApi.get(`/api/markdown/grouping/${groupingId}`);
 
diff --git a/biji-qianduan/src/components/HomePage.vue b/biji-qianduan/src/components/HomePage.vue
index 29985ed..8d973a6 100644
--- a/biji-qianduan/src/components/HomePage.vue
+++ b/biji-qianduan/src/components/HomePage.vue
@@ -548,29 +548,41 @@ const debouncedSave = (value) => {
 const handleSave = async (content) => {
   saveStatus.value = '正在保存...';
   try {
-    const newImageUrls = extractImageUrls(content);
-    const deletedImages = originalImages.value.filter(url => !newImageUrls.includes(url));
+    // 构造一个干净的、只包含必要字段的 payload
+    const payload = {
+      id: editData.value.id, // 可能是 null，用于创建
+      title: editData.value.title,
+      groupingId: editData.value.groupingId,
+      content: content,
+      fileName: editData.value.fileName || `${editData.value.title}.md`,
+    };
 
-    if (deletedImages.length > 0) {
-      await deleteImages({ imageUrls: deletedImages });
+    // 调用后端接口
+    const response = await updateMarkdown(payload);
+
+    // 使用后端返回的完整、最新的数据更新前端状态
+    // 这对于新创建的笔记至关重要，因为它会获得一个新的 ID
+    editData.value = response.data;
+    
+    // 如果当前正在预览这个文件，也更新 selectedFile
+    if (selectedFile.value && (!selectedFile.value.id || selectedFile.value.id === response.data.id)) {
+        selectedFile.value = response.data;
     }
 
-    originalImages.value = newImageUrls;
-
-    const payload = {
-      ...editData.value,
-      content: content,
-    };
-    const response = await updateMarkdown(payload);
-    editData.value = response.data;
-    selectedFile.value = editData.value;
     saveStatus.value = '已保存';
     ElMessage.success('保存成功');
-    await fetchGroupings();
+
+    // 刷新文件列表以反映更改（例如，新文件出现）
     await fetchMarkdownFiles();
+    // 如果当前在某个分类下，也刷新该分类的列表
+    if (activeMenu.value.startsWith('group-')) {
+        const groupId = activeMenu.value.split('-');
+        await selectFile({ id: groupId, grouping: currentGroupName.value });
+    }
+
   } catch (error) {
     saveStatus.value = '保存失败';
-    ElMessage.error('保存失败: ' + error.message);
+    ElMessage.error('保存失败: ' + (error.response?.data?.message || error.message));
   }
 };
 
diff --git a/mydatabase.db b/mydatabase.db
index 99eb939..69dd3fd 100644
Binary files a/mydatabase.db and b/mydatabase.db differ