...

app/build.gradle

@@ -5,6 +5,17 @@ plugins {
 }
 
 android {
+    signingConfigs {
+        debug {
+            storeFile file('../keystore/public')
+            storePassword '123456'
+            keyAlias 'public'
+            keyPassword '123456'
+            v1SigningEnabled true
+            v2SigningEnabled true
+        }
+    }
+
     compileSdk 31
 
     defaultConfig {
@@ -20,6 +31,7 @@ android {
     buildTypes {
         release {
             minifyEnabled false
+            signingConfig signingConfigs.debug
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
         }
     }

app/src/main/java/com/highcapable/yukihookapi/demo/hook/inject/MainInjecter.kt

@@ -50,8 +50,10 @@ class MainInjecter : YukiHookXposedInitProxy {
 
     override fun onHook() {
         // 设置模式
-        YukiHookAPI.debugTag = "YukiSuki"
-        YukiHookAPI.isDebug = true
+        YukiHookAPI.configs {
+            debugTag = "YukiSuki"
+            isDebug = true
+        }
         // 方案 1
         // encase(MainHooker(), SecondHooker())
         // 方案 2
@@ -81,7 +83,7 @@ class MainInjecter : YukiHookXposedInitProxy {
                         method {
                             name = "a"
                             param(StringType, StringType)
-                            returnType = UnitType
+                            returnType = StringType
                         }
                         beforeHook {
                             args(index = 0).set("✌️改了前面的")