diff --git a/app/build.gradle b/app/build.gradle
index 2448cb3..ca109af 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -31,10 +31,6 @@ android {
     buildFeatures {
         viewBinding true
     }
-
-    dexOptions {
-        javaMaxHeapSize "4g"
-    }
 }
 
 dependencies {
@@ -51,12 +47,4 @@ dependencies {
 
     // hutool
     implementation 'cn.hutool:hutool-all:5.8.8'
-
-    // 解决 dex文件数超过64k问题
-    implementation 'com.android.support:multidex:1.0.1'
-
-    // 测试类资源
-    testImplementation 'junit:junit:4.13.2'
-    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
 }
\ No newline at end of file
diff --git a/app/src/main/java/cc/niushuai/project/devcontrol/MainActivity.java b/app/src/main/java/cc/niushuai/project/devcontrol/MainActivity.java
index ee704ee..f375fca 100644
--- a/app/src/main/java/cc/niushuai/project/devcontrol/MainActivity.java
+++ b/app/src/main/java/cc/niushuai/project/devcontrol/MainActivity.java
@@ -2,7 +2,6 @@ package cc.niushuai.project.devcontrol;
 
 import android.content.Context;
 import android.os.Bundle;
-import android.support.multidex.MultiDex;
 
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.navigation.NavController;
@@ -69,10 +68,4 @@ public class MainActivity extends AppCompatActivity {
         // 底部栏显示
         NavigationUI.setupWithNavController(activityMainBinding.bottomNavView, navController);
     }
-
-    @Override
-    protected void attachBaseContext(Context newBase) {
-        super.attachBaseContext(newBase);
-        MultiDex.install(this);
-    }
 }
\ No newline at end of file