diff --git a/sdk/explorer-link-android/src/main/java/com/tencent/iot/explorer/link/core/link/configNetwork/TIoTCoreUtil.kt b/sdk/explorer-link-android/src/main/java/com/tencent/iot/explorer/link/core/link/configNetwork/TIoTCoreUtil.kt
index f0534de09..528d57dec 100644
--- a/sdk/explorer-link-android/src/main/java/com/tencent/iot/explorer/link/core/link/configNetwork/TIoTCoreUtil.kt
+++ b/sdk/explorer-link-android/src/main/java/com/tencent/iot/explorer/link/core/link/configNetwork/TIoTCoreUtil.kt
@@ -24,7 +24,7 @@ import java.util.*
 
 class TIoTCoreUtil {
     @Volatile
-    var groupAddress = "***REMOVED***"
+    var groupAddress = ""
 
     var softAPService: SoftAPService? = null
     var softAPConfigNetListener: SoftAPConfigNetListener? = null
diff --git a/sdkdemo/src/main/res/layout/activity_wired_config_net.xml b/sdkdemo/src/main/res/layout/activity_wired_config_net.xml
index a75475d63..344fdad01 100644
--- a/sdkdemo/src/main/res/layout/activity_wired_config_net.xml
+++ b/sdkdemo/src/main/res/layout/activity_wired_config_net.xml
@@ -9,7 +9,7 @@
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:hint="组播 ip"
-        android:text="***REMOVED***"
+        android:text=""
         app:layout_constraintTop_toTopOf="parent"
         />
 
@@ -18,7 +18,7 @@
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:hint="端口"
-        android:text="7838"
+        android:text=""
         app:layout_constraintTop_toBottomOf="@id/ev_group_address"
         />
 
@@ -27,7 +27,7 @@
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:hint="token"
-        android:text="testToken"
+        android:text=""
         app:layout_constraintTop_toBottomOf="@id/ev_port"
         />