diff --git a/src/main/java/com/bao/dating/controller/PostController.java b/src/main/java/com/bao/dating/controller/PostController.java
index 2541283..62443c0 100644
--- a/src/main/java/com/bao/dating/controller/PostController.java
+++ b/src/main/java/com/bao/dating/controller/PostController.java
@@ -36,7 +36,7 @@ public class PostController {
      * @param postDTO 动态信息
      * @return 发布的动态对象
      */
-    @PostMapping(consumes = "application/json")
+    @PostMapping( "/addPost")
     public Result<Post> createPostJson(@RequestBody PostRequestDTO postDTO) {
         // 调用 Service 层处理发布动态业务逻辑
         Post result = postService.createPost(postDTO);
@@ -49,7 +49,7 @@ public class PostController {
      * @param postIds 动态ID
      * @return 删除结果
      */
-    @DeleteMapping
+    @PostMapping("/deletePost")
     public Result<String> deleteById(@RequestParam List<Long> postIds){
         int deletedCount = postService.deletePostById(postIds);
         return Result.success(ResultCode.SUCCESS_DELETE, deletedCount > 0 ? "成功删除" : "删除失败，该动态不存在", null);
@@ -60,7 +60,7 @@ public class PostController {
      * @param postId 动态ID
      * @return 动态对象
      */
-    @GetMapping("/{postId}")
+    @PostMapping("/postById/{postId}")
     public Result<PostEditVO> getPostById(@PathVariable Long postId) {
         PostEditVO postEditVO = postService.getPostForEdit(postId);
         return Result.success(ResultCode.SUCCESS,"查询成功", postEditVO);
@@ -72,7 +72,7 @@ public class PostController {
      * @param postRequestDTO 动态信息
      * @return 更新后的动态对象
      */
-    @PutMapping("/{postId}")
+    @PostMapping("/updatePost/{postId}")
     public Result<PostEditVO> updatePost(@PathVariable Long postId, @RequestBody PostRequestDTO postRequestDTO) {
         PostEditVO result = postService.updatePost(postId, postRequestDTO);
         return Result.success(ResultCode.SUCCESS_REVIEW, "动态更新成功", result);
diff --git a/src/main/java/com/bao/dating/service/impl/PostServiceImpl.java b/src/main/java/com/bao/dating/service/impl/PostServiceImpl.java
index f83db47..bdbd921 100644
--- a/src/main/java/com/bao/dating/service/impl/PostServiceImpl.java
+++ b/src/main/java/com/bao/dating/service/impl/PostServiceImpl.java
@@ -225,9 +225,8 @@ public class PostServiceImpl implements PostService {
             throw new RuntimeException("无权限修改此动态");
         }
         post.setContent(postRequestDTO.getContent());
-        if (postRequestDTO.getMediaOssKeys() != null && !postRequestDTO.getMediaOssKeys().isEmpty()) {
-            post.setMediaOssKeys(postRequestDTO.getMediaOssKeys());
-        }
+        // 如果请求中的mediaOssKeys不为null（即使是空列表），则更新为新值
+        post.setMediaOssKeys(postRequestDTO.getMediaOssKeys());
 
         // 1. 文本内容审核
         Map textResult;
@@ -239,11 +238,11 @@ public class PostServiceImpl implements PostService {
         // 文本审核结果
         String textSuggestion = (String) textResult.get("suggestion");
 
-        // 2. 图片审核（如果有）
-        if (postRequestDTO.getMediaOssKeys() != null && !postRequestDTO.getMediaOssKeys().isEmpty()) {
+        // 2. 图片审核（如果有媒体文件）
+        if (post.getMediaOssKeys() != null && !post.getMediaOssKeys().isEmpty()) {
             Map imageResult;
             try {
-                imageResult = greenImageScan.imageScan(postRequestDTO.getMediaOssKeys());
+                imageResult = greenImageScan.imageScan(post.getMediaOssKeys());
             } catch (Exception e) {
                 throw new RuntimeException(e);
             }