fix POST /post and postLikeServiceTest

Change-Id: Ifd3b68a64481d4d194507505978a4b5928915d9f
diff --git a/src/test/java/com/example/g8backend/service/PostLikeServiceTest.java b/src/test/java/com/example/g8backend/service/PostLikeServiceTest.java
index 987f672..c9ccce8 100644
--- a/src/test/java/com/example/g8backend/service/PostLikeServiceTest.java
+++ b/src/test/java/com/example/g8backend/service/PostLikeServiceTest.java
@@ -47,7 +47,7 @@
         postService.likePost(userId, postId);
 
         // 验证postMapper的insert方法被调用一次,表示插入点赞记录
-        verify(postMapper, times(1)).insert(any(PostLike.class));
+        verify(postMapper, times(1)).insertLike(any(PostLike.class));
     }
 
     // 测试取消点赞功能