gx

@@ -142,10 +142,10 @@ class ProjectLogic extends BaseLogic
      */
     protected function saveProjectPayment($payment){
         $paymentModel = new Payment();
-        if(!empty($payment['contract'])){
+        if(isset($payment['contract']) && !empty($payment['contract'])){
             $payment['contract'] = Arr::a2s($payment['contract']);
         }
-        if(!empty($payment['bill'])){
+        if(isset($payment['bill']) && !empty($payment['bill'])){
             $payment['bill'] = Arr::a2s($payment['bill']);
         }
         if(isset($payment['renewal_record']) && !empty($payment['renewal_record'])){