添加签名
diff --git a/app/build.gradle b/app/build.gradle
index 73373a4..dc77cf8 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -32,6 +32,7 @@
         release {
             minifyEnabled false
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+            signingConfig signingConfigs.release
         }
     }
     compileOptions {