diff --git a/build.gradle b/build.gradle
index 5333e8c..dc0c653 100644
--- a/build.gradle
+++ b/build.gradle
@@ -4,7 +4,7 @@ buildscript {
     
     repositories {
         google()
-        jcenter()
+        maven{ url 'http://maven.aliyun.com/nexus/content/groups/public/'}
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:3.1.4'
@@ -16,7 +16,7 @@ buildscript {
 allprojects {
     repositories {
         google()
-        jcenter()
+        maven{ url 'http://maven.aliyun.com/nexus/content/groups/public/'}
     }
 }