diff --git a/webapp/services/callback/MintNftHero.php b/webapp/services/callback/MintNftHero.php
index 6bd5dbe8..b840eb0e 100644
--- a/webapp/services/callback/MintNftHero.php
+++ b/webapp/services/callback/MintNftHero.php
@@ -57,6 +57,24 @@ class MintNftHero
             die;
         }
         error_log("MintNftHero-------------------".json_encode($_REQUEST));
+        if (!$this->verifyNftTokenId($tokenId)){
+            error_log("The token id does not exist");
+            echo json_encode(array(
+                'errcode' => 1,
+                'errmsg' => "tokenId error",
+            ));
+            die;
+        }
+        if ($this->verifyHeroTokenId($tokenId)){
+            error_log("An existing token");
+            echo json_encode(array(
+                'errcode' => 1,
+                'errmsg' => "tokenId error",
+            ));
+            die;
+        }
+
+
         $this->internalAddHero($tokenId,$itemId,$quality);
         echo json_encode(array(
             'errcode' => 0,
@@ -64,6 +82,34 @@ class MintNftHero
         ));
     }
 
+    private function verifyNftTokenId($tokenId){
+        $row = SqlHelper::ormSelectOne(
+            myself()->_getMarketMysql(''),
+            't_nft',
+            array(
+                'token_id' => $tokenId
+            )
+        );
+        if ($row){
+            return true;
+        }
+        return false;
+    }
+
+    private function verifyHeroTokenId($tokenId){
+        $row = SqlHelper::ormSelectOne(
+            myself()->_getMysql(''),
+            't_hero',
+            array(
+                'token_id' => $tokenId
+            )
+        );
+        if ($row){
+            return true;
+        }
+        return false;
+    }
+
 
     private  function internalAddHero($tokenId,$itemId,$quality)
     {