diff --git a/bonus-modules/bonus-material-mall/src/main/java/com/bonus/material/iot/controller/IotDataController.java b/bonus-modules/bonus-material-mall/src/main/java/com/bonus/material/iot/controller/IotDataController.java
index 0c16935..6ac6265 100644
--- a/bonus-modules/bonus-material-mall/src/main/java/com/bonus/material/iot/controller/IotDataController.java
+++ b/bonus-modules/bonus-material-mall/src/main/java/com/bonus/material/iot/controller/IotDataController.java
@@ -35,15 +35,13 @@ public class IotDataController {
 
     // 新增接口供HTML页面获取数据
     @GetMapping("/api/mqtt/latest-data")
-    public Object[] getLatestData(@RequestParam(required = false) String uuid) {
+    public GpsData getLatestData(@RequestParam(required = false) String uuid) {
         if (uuid == null && !LATEST_DATA.isEmpty()) {
-            // 如果没有指定UUID，返回第一个设备的数据
-            //return LATEST_DATA.values().iterator().next();
+            //如果没有指定UUID，返回第一个设备的数据
+            return LATEST_DATA.values().iterator().next();
 
-            // 如果没有指定UUID, 返回全部数据
-            return LATEST_DATA.values().toArray();
         }
-        return new GpsData[]{LATEST_DATA.get(uuid)};
+        return LATEST_DATA.get(uuid);
     }
 
     private GpsData parseMqttData(String rawData) {