diff --git a/webapp/controller/OutAppPlanetController.class.php b/webapp/controller/OutAppPlanetController.class.php
index 2bd39585..fc718418 100644
--- a/webapp/controller/OutAppPlanetController.class.php
+++ b/webapp/controller/OutAppPlanetController.class.php
@@ -17,10 +17,18 @@ class OutAppPlanetController extends BaseController {
         $address = getReqVal('address', '');
         $num = getReqVal('num', '');
 
+        if ($netId != NET_ID) {
+            myself()->_rspErr(1, 'net_id error');
+            return;
+        }
+        if ($num < 1) {
+            myself()->_rspErr(1, 'num error');
+            return;
+        }
         $decimals = BlockChainService::getCurrencyDecimals(BlockChainService::CURRENCY_USDT);
         if ($decimals === false) {
             myself()->_rspErr(1, 'deciamls error');
-            returna;
+            return;
         }
 
         $price = BlockChainService::formatCurrencyEx(1, $decimals);
@@ -34,6 +42,11 @@ class OutAppPlanetController extends BaseController {
             $price
         );
 
+        $this->_rspData(array(
+            'trans_id' => $rspObj['trans_id'],
+            'params' => $rspObj['params'],
+        ));
+
     }
 
 }