diff --git a/app/build.gradle b/app/build.gradle
index 48a6ed2..5904590 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -62,6 +62,11 @@ android {
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
     }
+
+    packagingOptions {
+        exclude 'META-INF/proguard/coroutines.pro'
+    }
+
 }
 
 //相关配置的获取方法及其处理
diff --git a/build.gradle b/build.gradle
index 08ee68a..99c1c99 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,13 +2,13 @@
 apply from: "config.gradle"
 
 buildscript {
-    ext.kotlin_version = '1.3.61'
+    ext.kotlin_version = '1.3.50'
     repositories {
         google()
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.6.3'
+        classpath 'com.android.tools.build:gradle:3.2.1'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
         classpath "org.jetbrains.kotlin:kotlin-android-extensions:$kotlin_version"
 //        classpath "org.jetbrains.kotlin:kotlin-noarg:$kotlin_version"
diff --git a/libhulk/build.gradle b/libhulk/build.gradle
index 5b4a4b5..26425c3 100644
--- a/libhulk/build.gradle
+++ b/libhulk/build.gradle
@@ -38,6 +38,10 @@ android {
         targetCompatibility JavaVersion.VERSION_1_8
     }
 
+    packagingOptions {
+        exclude 'META-INF/proguard/coroutines.pro'
+    }
+
 }
 
 dependencies {