diff --git a/webapp/controller/BlockChainController.class.php b/webapp/controller/BlockChainController.class.php
index e12f4652..22ddef80 100644
--- a/webapp/controller/BlockChainController.class.php
+++ b/webapp/controller/BlockChainController.class.php
@@ -169,7 +169,54 @@ class BlockChainController extends BaseAuthedController {
     public function shardMixByUser()
     {
         $tokenIds = explode('|', getReqVal('token_ids', ''));
+        $tokenId = '';
+        $tokenType = '';
+        $itemId = 0;
 
+        $params = array(
+            'c' => 'BcService',
+            'a' => 'shardMixByUser',
+            'account_id' => myself()->_getAccountId(),
+            'session_id' => myself()->_getSessionId(),
+            'account' => myself()->_getOpenId(),
+            'token_id' => $tokenId,
+            'token_type' => $tokenType,
+            'item_uniid' => $itemUniId,
+            'item_id' => $itemId,
+            'token_ids' => implode('|', $tokenIds)
+        );
+        {
+            $url = self::getWeb3ServiceUrl();
+            $response = '';
+            if (!phpcommon\HttpClient::get
+                ($url,
+                 $params,
+                 $response)) {
+                myself()->_rspErr(500,  'server internal error');
+                die();
+                return;
+            }
+            error_log($response);
+            $rspObj = json_decode($response, true);
+            if ($rspObj['errcode'] == 0) {
+                $transId = $rspObj['trans_id'];
+                Transaction::add(
+                    $transId,
+                    Transaction::SHARD_MIX_BY_USER_ACTION_TYPE,
+                    $tokenId,
+                    $tokenType,
+                    0,
+                    $itemId
+                );
+                myself()->_rspData(array(
+                    'trans_id' => $transId,
+                    'params' => $rspObj['params']
+                ));
+            } else {
+                myself()->_rspErr(500,  'server internal error');
+                return;
+            }
+        }
     }
 
     private function internalActivate721Nft($tokenId, $tokenType, $itemUniId, $itemId)