第一次授权卡死

@@ -397,8 +397,11 @@ RCT_EXPORT_METHOD(pay:(NSDictionary *)data
         
         if (resp.errCode == WXSuccess)
         {
-            [body addEntriesFromDictionary:@{@"appid":self.appId, @"code" :r.code}];
-            [self.bridge.eventDispatcher sendDeviceEventWithName:RCTWXEventName body:body];
+            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];