diff --git a/app/src/main/java/qianmu/container/util/SignWayUtil.java b/app/src/main/java/qianmu/container/util/SignWayUtil.java
index 3e29e5e..64b674c 100644
--- a/app/src/main/java/qianmu/container/util/SignWayUtil.java
+++ b/app/src/main/java/qianmu/container/util/SignWayUtil.java
@@ -359,7 +359,6 @@ public class SignWayUtil {
 
     //获取以太网MAC地址
     public static String getEthMacAddress() {
-
         try {
             if(Constant.androidBoardType.equals("xwst")){
                 SignwayManager signwayManager = SignwayManager.getInstance(MyApplication.getInstance());
@@ -410,6 +409,7 @@ public class SignWayUtil {
             LoggerUtil.e("getEthMacAddress", StringUtil.getThrowableStr(t));
             return "";
         }
+        return "";
     }
 
     //视想设备，安卓12获取mac地址