第一次授权卡死

@@ -397,9 +397,12 @@ RCT_EXPORT_METHOD(pay:(NSDictionary *)data
         
         if (resp.errCode == WXSuccess)
         {
+            if(self.appId&&r){
+			// ios第一次获取不到appid会卡死，加个判断OK		
 			[body addEntriesFromDictionary:@{@"appid":self.appId, @"code" :r.code}];
 			[self.bridge.eventDispatcher sendDeviceEventWithName:RCTWXEventName body:body];
 		    }
+        }
         else {
             [self.bridge.eventDispatcher sendDeviceEventWithName:RCTWXEventName body:body];
         }