diff --git a/blog-backend/src/main/java/cn/hamster3/application/blog/controller/AttachController.java b/blog-backend/src/main/java/cn/hamster3/application/blog/controller/AttachController.java
index 4f7c032..9101bfa 100644
--- a/blog-backend/src/main/java/cn/hamster3/application/blog/controller/AttachController.java
+++ b/blog-backend/src/main/java/cn/hamster3/application/blog/controller/AttachController.java
@@ -15,23 +15,23 @@ public class AttachController {
         return ResponseVO.success();
     }
 
-    @PutMapping("/{attachID}/")
-    public ResponseVO<Void> modifyAttach(@PathVariable String attachID, @RequestBody MultipartFile file) {
-        return ResponseVO.success();
-    }
-
     @GetMapping("/{attachID}/")
     public ResponseVO<Void> getAttach(@PathVariable String attachID) {
         return ResponseVO.success();
     }
 
-    @DeleteMapping("/{attachID}/")
-    public ResponseVO<Void> deleteAttach(@PathVariable String attachID) {
-        return ResponseVO.success();
-    }
-
     @GetMapping("/")
     public ResponseVO<Void> getAttachList() {
         return ResponseVO.success();
     }
+
+    @PutMapping("/{attachID}/")
+    public ResponseVO<Void> modifyAttach(@PathVariable String attachID, @RequestBody MultipartFile file) {
+        return ResponseVO.success();
+    }
+
+    @DeleteMapping("/{attachID}/")
+    public ResponseVO<Void> deleteAttach(@PathVariable String attachID) {
+        return ResponseVO.success();
+    }
 }
diff --git a/blog-backend/src/main/java/cn/hamster3/application/blog/dao/BlogRepository.java b/blog-backend/src/main/java/cn/hamster3/application/blog/dao/BlogRepository.java
index d01e922..b7c374b 100644
--- a/blog-backend/src/main/java/cn/hamster3/application/blog/dao/BlogRepository.java
+++ b/blog-backend/src/main/java/cn/hamster3/application/blog/dao/BlogRepository.java
@@ -1,10 +1,8 @@
 package cn.hamster3.application.blog.dao;
 
 import cn.hamster3.application.blog.entity.BlogEntity;
-import org.springframework.data.jpa.repository.EntityGraph;
-import org.springframework.data.jpa.repository.JpaRepository;
-import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
-import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.jpa.repository.*;
+import org.springframework.transaction.annotation.Transactional;
 
 import java.util.Optional;
 
@@ -12,4 +10,9 @@ public interface BlogRepository extends JpaRepository<BlogEntity, Long>, JpaSpec
     @EntityGraph(attributePaths = {"content"})
     @Query("select b from BlogEntity b where b.id = ?1")
     Optional<BlogEntity> findByIDWithContent(Long id);
+
+    @Transactional
+    @Modifying
+    @Query("update BlogEntity b set b.title = ?1, b.abstracts = ?2, b.password = ?3, b.content = ?4 where b.id = ?5")
+    void updateTitleAndAbstractsAndPasswordAndContentById(String title, String abstracts, String password, String content, Long id);
 }
\ No newline at end of file
diff --git a/blog-backend/src/main/java/cn/hamster3/application/blog/service/impl/BlogService.java b/blog-backend/src/main/java/cn/hamster3/application/blog/service/impl/BlogService.java
index 74b8b54..f479aa0 100644
--- a/blog-backend/src/main/java/cn/hamster3/application/blog/service/impl/BlogService.java
+++ b/blog-backend/src/main/java/cn/hamster3/application/blog/service/impl/BlogService.java
@@ -67,9 +67,13 @@ public class BlogService implements IBlogService {
             return ResponseVO.failed("not login.");
         }
         //todo 权限检查
-        BlogEntity entity = blogMapper.voToEntity(requireVO);
-        entity.setId(blogID);
-        blogRepo.save(entity);
+        blogRepo.updateTitleAndAbstractsAndPasswordAndContentById(
+                requireVO.getTitle(),
+                requireVO.getAbstracts(),
+                requireVO.getPassword(),
+                requireVO.getContent(),
+                blogID
+        );
         return ResponseVO.success();
     }