Merge branch 'mqy20260511' of http://114.215.146.132:3000/Mqy/Wisdom-Data into mqy20260511

iot-platform/src/main/java/com/iot/platform/task/VehicleSyncTask.java

 
     private final StringRedisTemplate stringRedisTemplate;
     private final SysRealtimeService sysrealtimeService;
+    private final Set<String> createdTables = new HashSet<>();
 
     public VehicleSyncTask(StringRedisTemplate stringRedisTemplate,
                            SysRealtimeService sysrealtimeService) {
                 String dbPrefix = controllerId.length() >= 2 ? controllerId.substring(0, 2) : controllerId;
                 String tableName = "pe_iot_" + dbPrefix;
 
-                try {
-                    sysrealtimeService.createRealtime(tableName);
-                } catch (Exception e) {
-                    log.error("创建表失败: {} | {}", tableName, e.getMessage(), e);
-                    continue;
+                if (!createdTables.contains(tableName)) {
+                    try {
+                        sysrealtimeService.createRealtime(tableName);
+                        createdTables.add(tableName);
+                    } catch (Exception e) {
+                        log.error("创建表失败: {} | {}", tableName, e.getMessage(), e);
+                        continue;
+                    }
                 }
 
                 String createTime = getStringValue(dataMap, "createTime");