diff --git a/src/main/java/com/zhgd/xmgl/modules/external/controller/ZtWorkerController.java b/src/main/java/com/zhgd/xmgl/modules/external/controller/ZtWorkerController.java
index 3ca28569c..ea1d600f9 100644
--- a/src/main/java/com/zhgd/xmgl/modules/external/controller/ZtWorkerController.java
+++ b/src/main/java/com/zhgd/xmgl/modules/external/controller/ZtWorkerController.java
@@ -22,6 +22,7 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
 import springfox.documentation.annotations.ApiIgnore;
 
+import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -121,6 +122,9 @@ public class ZtWorkerController {
         requestMap.put("project_id", "1833149331474493441");
         requestMap.put("device_numbers", "E03C1CB2A0EF1607");
         String post = HttpUtil.post("http://spm3.1357.cn/hewu-api/api/realtime-records-by-time", JSON.toJSONString(requestMap));
+        if (!post.contains("[")) {
+            return Result.success(new ArrayList<>());
+        }
         return Result.success(JSONArray.parseArray(post));
     }