diff --git a/OpenIM-SDK/build.gradle b/OpenIM-SDK/build.gradle
index ccd83f4..04db0a2 100644
--- a/OpenIM-SDK/build.gradle
+++ b/OpenIM-SDK/build.gradle
@@ -33,7 +33,7 @@ dependencies {
     androidTestImplementation 'androidx.test.ext:junit:1.1.2'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
 
-    implementation 'io.openim:client-sdk:2.0.48@aar'
+    implementation 'io.openim:core-sdk:2.0.8.+@aar'
     implementation 'com.alibaba:fastjson:1.1.72.android'
 //    implementation 'com.google.code.gson:gson:2.8.7'
 }
diff --git a/README.md b/README.md
index a94c64e..62500b3 100644
--- a/README.md
+++ b/README.md
@@ -9,15 +9,15 @@
 ```
 maven {
     allowInsecureProtocol = true
-    url 'http://121.37.25.71:8081/repository/maven-releases/'
+    url 'http://121.37.25.71:8081/repository/maven2/' // 新地址
 }
 ```
 
 ##### 2，Add dependencies（添加依赖）
 
 ```
-    implementation 'io.openim:android-sdk:2.0.11@aar'
-    implementation 'io.openim:client-sdk:2.0.48@aar'
+    implementation 'io.openim:android-sdk:2.0.8.+@aar'
+    implementation 'io.openim:core-sdk:2.0.8+@aar'
 ```
 
 #### Proguard rules（混淆规则）
diff --git a/build.gradle b/build.gradle
index 4b11a4a..b4fa628 100644
--- a/build.gradle
+++ b/build.gradle
@@ -7,7 +7,8 @@ buildscript {
         maven { url 'https://maven.aliyun.com/nexus/content/repositories/gradle-plugin' }
         maven {
             allowInsecureProtocol = true
-            url 'http://121.37.25.71:8081/repository/maven-releases/'
+//            url 'http://121.37.25.71:8081/repository/maven-releases/'
+            url 'http://121.37.25.71:8081/repository/maven2/'
         }
         google()
         mavenCentral()
@@ -28,7 +29,8 @@ allprojects {
         maven { url 'https://maven.aliyun.com/nexus/content/repositories/gradle-plugin' }
         maven {
             allowInsecureProtocol = true
-            url 'http://121.37.25.71:8081/repository/maven-releases/'
+//            url 'http://121.37.25.71:8081/repository/maven-releases/'
+            url 'http://121.37.25.71:8081/repository/maven2/'
         }
         google()
         mavenCentral()