diff --git a/src/main/java/com/dispose/manager/impl/DisposeDeviceManagerImpl.java b/src/main/java/com/dispose/manager/impl/DisposeDeviceManagerImpl.java
index 0380c050..2a1cbfdf 100644
--- a/src/main/java/com/dispose/manager/impl/DisposeDeviceManagerImpl.java
+++ b/src/main/java/com/dispose/manager/impl/DisposeDeviceManagerImpl.java
@@ -32,7 +32,7 @@ public class DisposeDeviceManagerImpl implements DisposeDeviceManager {
      * The Dispose capacity mapper.
      */
     @Resource
-    DisposeCapacityMapper disposeCapacityMapper;
+    private DisposeCapacityMapper disposeCapacityMapper;
     /**
      * The Dispose device mapper.
      */
@@ -59,7 +59,7 @@ public class DisposeDeviceManagerImpl implements DisposeDeviceManager {
             return new MulReturnType<>(ErrorCode.ERR_DATABASE, -1L);
         } else {
             // 添加设备到缓存中，方便调用时查找
-            String devKey = dev.getDeviceName() + ":" + dev.getIpPort();
+            String devKey = dev.getIpAddr() + ":" + dev.getIpPort();
             disposeDevice.put(devKey, dev);
             // 添加设备能力信息
             disposeCapacityMapper.addNewDisposeCapacity(dev.getDevCapacity());