修改清楚缓存的bug

@@ -10,6 +10,7 @@ import net.jodah.expiringmap.ExpiringMap;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.util.Iterator;
 import java.util.concurrent.TimeUnit;
 
 /**
@@ -61,15 +62,17 @@ public class DeviceCach {
     }
     public static void cleanDeviceHost(String deviceId)
     {
-        if (parserDeviceHostDtoMap.containsKey(deviceId))
-        {
-            parserDeviceHostDtoMap.remove(deviceId);
-        }
-        for (String key :parserDeviceInfoDtoMap.keySet())
+        // 直接移除 host（无需先检查 containsKey）
+        parserDeviceHostDtoMap.remove(deviceId);
+
+        // 使用显式迭代器并调用 iterator.remove() 避免 ConcurrentModificationException
+        Iterator<String> it = parserDeviceInfoDtoMap.keySet().iterator();
+        while (it.hasNext())
         {
-            if(key.startsWith(deviceId+"_"))
+            String key = it.next();
+            if (key.startsWith(deviceId + "_"))
             {
-                parserDeviceInfoDtoMap.remove(key);
+                it.remove();
             }
         }
     }