diff --git a/bin/as.sh b/bin/as.sh
index a053e20aa..c4846a555 100755
--- a/bin/as.sh
+++ b/bin/as.sh
@@ -42,7 +42,7 @@ SESSION_TIMEOUT=300
 USE_VERSION=
 
 # maven repo to download arthas
-REPO_MIRROR="center"
+REPO_MIRROR=
 
 # use http to download arthas
 USE_HTTP=false
@@ -580,6 +580,13 @@ parse_arguments()
         fi
     fi
 
+    if [ -z ${REPO_MIRROR} ]; then
+        REPO_MIRROR="center"
+        # if timezone is +0800, set REPO_MIRROR to aliyun
+        if [[ -x "$(command -v date)" ]] && [[  $(date +%z) == "+0800" ]]; then
+            REPO_MIRROR="aliyun"
+        fi
+    fi
 
     # check pid
     if [ -z ${TARGET_PID} ] && [ ${BATCH_MODE} = false ]; then
diff --git a/boot/src/main/java/com/taobao/arthas/boot/Bootstrap.java b/boot/src/main/java/com/taobao/arthas/boot/Bootstrap.java
index ad5e89d1d..62efe532b 100644
--- a/boot/src/main/java/com/taobao/arthas/boot/Bootstrap.java
+++ b/boot/src/main/java/com/taobao/arthas/boot/Bootstrap.java
@@ -11,6 +11,8 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
+import java.util.TimeZone;
+import java.util.concurrent.TimeUnit;
 import java.util.logging.Level;
 import java.util.InputMismatchException;
 
@@ -88,9 +90,9 @@ public class Bootstrap {
     private boolean versions;
 
     /**
-     * download from maven center repository by default
+     * download from maven repository. if timezone is +0800, default value is 'aliyun', else is 'center'.
      */
-    private String repoMirror = "center";
+    private String repoMirror;
 
     /**
      * enforce use http to download arthas. default use https
@@ -226,6 +228,15 @@ public class Bootstrap {
             System.exit(0);
         }
 
+        if (bootstrap.getRepoMirror() == null || bootstrap.getRepoMirror().trim().isEmpty()) {
+            bootstrap.setRepoMirror("center");
+            // if timezone is +0800, default repo mirror is aliyun
+            if (TimeUnit.MILLISECONDS.toHours(TimeZone.getDefault().getOffset(System.currentTimeMillis())) == 8) {
+                bootstrap.setRepoMirror("aliyun");
+            }
+        }
+        AnsiLog.debug("Repo mirror:" + bootstrap.getRepoMirror());
+
         if (bootstrap.isVersions()) {
             if (mavenMetaData == null) {
                 mavenMetaData = DownloadUtils.readMavenMetaData(bootstrap.getRepoMirror(), bootstrap.isuseHttp());