diff --git a/mobile/build.gradle b/mobile/build.gradle
index 6f4bb018..25342216 100644
--- a/mobile/build.gradle
+++ b/mobile/build.gradle
@@ -10,7 +10,7 @@ android {
         minSdkVersion 21
         targetSdkVersion 27
         resConfigs "zh-rCN"
-        versionCode 5
+        versionCode 6
         versionName "1.0.0"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }
diff --git a/mobile/src/main/AndroidManifest.xml b/mobile/src/main/AndroidManifest.xml
index 7e8ca5ca..571c1583 100644
--- a/mobile/src/main/AndroidManifest.xml
+++ b/mobile/src/main/AndroidManifest.xml
@@ -5,7 +5,9 @@
     <uses-feature
         android:name="android.hardware.touchscreen"
         android:required="false"/>
-    <uses-feature android:name="android.hardware.wifi"/>
+    <uses-feature
+        android:name="android.hardware.wifi"
+        android:required="false"/>
     <uses-feature
         android:name="android.hardware.wifi.direct"
         android:required="false"/>