diff --git a/app_dashboard/build.gradle b/app_dashboard/build.gradle
index 1651ebe..4c3b700 100644
--- a/app_dashboard/build.gradle
+++ b/app_dashboard/build.gradle
@@ -19,6 +19,20 @@ android {
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
 
+
+    // sign the application
+    signingConfigs {
+        release {
+            storeFile file('..\\sinclass.jks')
+            storePassword '=efX!O4i'
+            keyAlias 'ScreenClient'
+            keyPassword '=efX!O4i'
+
+            v1SigningEnabled true
+            v2SigningEnabled true
+        }
+    }
+
     buildTypes {
         debug {
             signingConfig signingConfigs.release
@@ -37,18 +51,6 @@ android {
         viewBinding true
     }
 
-    // sign the application
-    signingConfigs {
-        release {
-            storeFile file('..\\sinclass.jks')
-            storePassword '=efX!O4i'
-            keyAlias 'ScreenClient'
-            keyPassword '=efX!O4i'
-
-            v1SigningEnabled true
-            v2SigningEnabled true
-        }
-    }
 
     android.applicationVariants.all { variant ->
         def docDir = rootProject.getRootDir().getAbsolutePath() + "/../apk/dashboard"
diff --git a/app_dashboard/src/main/java/cn/ykbox/dashboard/activity/BuildingDashboardActivity.java b/app_dashboard/src/main/java/cn/ykbox/dashboard/activity/BuildingDashboardActivity.java
index 803911b..1fcc5ae 100644
--- a/app_dashboard/src/main/java/cn/ykbox/dashboard/activity/BuildingDashboardActivity.java
+++ b/app_dashboard/src/main/java/cn/ykbox/dashboard/activity/BuildingDashboardActivity.java
@@ -94,7 +94,7 @@ public class BuildingDashboardActivity extends FullscreenActivity {
         super.onResume();
 
         SharedPreferences pre = PreferenceManager.getDefaultSharedPreferences(this);
-        String url = pre.getString("k_url", "http://10.1.58.176:8002");
+        String url = pre.getString("k_url", "http://172.18.22.211:8002/Dashboard");
         mainUrl = url + "/index.html";
         configUrl = url + "/data/config.json";
 
diff --git a/app_dashboard/src/main/res/xml/root_preferences.xml b/app_dashboard/src/main/res/xml/root_preferences.xml
index 80e840d..bdbad9b 100644
--- a/app_dashboard/src/main/res/xml/root_preferences.xml
+++ b/app_dashboard/src/main/res/xml/root_preferences.xml
@@ -3,7 +3,7 @@
         <EditTextPreference
             app:key="k_url"
             app:title="URL 前缀"
-            app:defaultValue="http://10.1.58.176:8002"
+            app:defaultValue="http://172.18.22.211:8002/Dashboard"
             app:useSimpleSummaryProvider="true" />
     </PreferenceCategory>
 </PreferenceScreen>
\ No newline at end of file