diff --git a/zc-business/src/main/java/com/zc/business/controller/DcDeviceController.java b/zc-business/src/main/java/com/zc/business/controller/DcDeviceController.java
index 1cee37f7..b71a2ad2 100644
--- a/zc-business/src/main/java/com/zc/business/controller/DcDeviceController.java
+++ b/zc-business/src/main/java/com/zc/business/controller/DcDeviceController.java
@@ -459,7 +459,7 @@ public class DcDeviceController extends BaseController {
                 JSONObject functionJSONObject = (JSONObject) JSON.toJSON(function);
                 //JSONObject functionJSONObject = (JSONObject) JSON.toJSON(function.toString()) ;
                 String functionId = functionJSONObject.getString("functionId");
-                JSONObject jsonObject = functionJSONObject.getJSONObject("params") == null?functionJSONObject.getJSONObject("params"):new JSONObject();
+                JSONObject jsonObject = functionJSONObject.getJSONObject("params") != null?functionJSONObject.getJSONObject("params"):new JSONObject();
                 resultArray.add(getResult(device, iotDeviceId, functionId, jsonObject));
             }
         }