diff --git a/app/build.gradle b/app/build.gradle
index cbd2a03..a95677b 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,10 +1,10 @@
 apply plugin: 'com.android.application'
 
-def appName() {
+static def appName() {
     return "AoleyunDeviceInfo"
 }
 
-def releaseTime() {
+static def releaseTime() {
     return new Date().format("yyyyMMdd-HHmmss", TimeZone.getDefault())
 }
 
@@ -29,7 +29,8 @@ android {
 
     defaultConfig {
         applicationId "com.aoleyun.sn"
-        minSdkVersion 26
+        //There are no CERT files because If the mini sdk version is 23+, the AGP will ignore the V1 scheme signature.
+        minSdkVersion 22
         targetSdkVersion 29
         multiDexEnabled true
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
@@ -156,7 +157,7 @@ android {
             keyAlias "xueshibaoos"
             keyPassword "123456"
             v1SigningEnabled true
-            v2SigningEnabled false
+            v2SigningEnabled true
         }
     }