diff --git a/server/app/adminapi/validate/community/CommunityPostValidate.php b/server/app/adminapi/validate/community/CommunityPostValidate.php
index f9f7dd8..4bb4605 100644
--- a/server/app/adminapi/validate/community/CommunityPostValidate.php
+++ b/server/app/adminapi/validate/community/CommunityPostValidate.php
@@ -28,7 +28,7 @@ class CommunityPostValidate extends BaseValidate
         'like_count' => 'require|integer|egt:0|elt:4294967296',
         'comment_count' => 'require|integer|egt:0|elt:4294967296',
         'share_count' => 'require|integer|egt:0|elt:4294967296',
-        'ext' => 'checkExt',
+        'ext' => 'checkExtJson',
         'status' => 'require|in:0,1,2',
         'is_top' => 'require|in:0,1',
         'is_hot' => 'require|in:0,1',
@@ -196,7 +196,7 @@ class CommunityPostValidate extends BaseValidate
         return true;
     }
 
-    public function checkExt($value)
+    public function checkExtJson($value)
     {
         if (is_array($value) || trim((string) $value) === '') {
             return true;