diff --git a/app/build.gradle b/app/build.gradle
index 9b1d5b6..2448cb3 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -12,6 +12,8 @@ android {
         versionCode 1
         versionName "1.0"
 
+        multiDexEnabled true
+
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
 
@@ -29,6 +31,10 @@ android {
     buildFeatures {
         viewBinding true
     }
+
+    dexOptions {
+        javaMaxHeapSize "4g"
+    }
 }
 
 dependencies {
@@ -42,9 +48,15 @@ dependencies {
     implementation 'androidx.navigation:navigation-ui:2.5.2'
     implementation 'androidx.legacy:legacy-support-v4:1.0.0'
     implementation 'androidx.gridlayout:gridlayout:1.0.0'
+
+    // 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'
-
-    implementation 'cn.hutool:hutool-all:5.8.8'
 }
\ 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 d8d2408..ee704ee 100644
--- a/app/src/main/java/cc/niushuai/project/devcontrol/MainActivity.java
+++ b/app/src/main/java/cc/niushuai/project/devcontrol/MainActivity.java
@@ -1,6 +1,8 @@
 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;
@@ -67,4 +69,10 @@ 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