diff --git a/README.md b/README.md
index 6ba32024..db99f0ca 100644
--- a/README.md
+++ b/README.md
@@ -29,7 +29,7 @@ set JAVA_HOME="C:\Program Files\Android\Android Studio\jre"
 
 # 建议编辑 mobile/build.gradle ,修改 applicationId 以规避检测
 ./gradlew aR
-adb install mobile/build/outputs/apk/release/ssrdroid_release_5.1.3.apk
+adb install mobile/build/outputs/apk/release/ssrdroid-release.apk
 ```
 
 ### 贡献
diff --git a/build.gradle b/build.gradle
index 001f8033..c6a9effe 100644
--- a/build.gradle
+++ b/build.gradle
@@ -6,8 +6,8 @@ ext {
     sdkVersion = 31
     compileSdkVersion = 31
     buildToolsVersion = '31.0.0'
-    versionCode = 513
-    versionName = '5.1.3'
+    versionCode = 514
+    versionName = '5.1.4'
     resConfigs = ['zh-rCN']
 }
 
diff --git a/mobile/build.gradle b/mobile/build.gradle
index 4898c4af..ddd3cac8 100644
--- a/mobile/build.gradle
+++ b/mobile/build.gradle
@@ -35,7 +35,7 @@ android {
             }
             applicationVariants.all { variant ->
                 variant.outputs.all {
-                    outputFileName = "${appBinaryName}_${variant.buildType.name}_${defaultConfig.versionName}.apk"
+                    outputFileName = "${appBinaryName}-${variant.buildType.name}.apk"
                 }
             }
         }
@@ -45,7 +45,7 @@ android {
             resValue 'string', 'applicationId', defaultConfig.applicationId + applicationIdSuffix
             applicationVariants.all { variant ->
                 variant.outputs.all {
-                    outputFileName = "${appBinaryName}_${variant.buildType.name}_${defaultConfig.versionName}.apk"
+                    outputFileName = "${appBinaryName}-${variant.buildType.name}.apk"
                 }
             }
         }
diff --git a/update.json b/update.json
index 9b3da61c..64bbfae6 100644
--- a/update.json
+++ b/update.json
@@ -1,5 +1,5 @@
 {
-  "version": "513",
+  "version": "514",
   "title": "检测到新版本",
   "text": "请尽快更新",
   "uri": "https://github.com/ShadowsocksR-Live/ssrdroid/releases/latest"