diff --git a/README.md b/README.md
index 8826e06..748cc9a 100644
--- a/README.md
+++ b/README.md
@@ -52,27 +52,6 @@ sudo ./nezha.sh
         websocket
     }
     ```
-
-### 服务器位于大陆常见问题
-
-- Failed to connect to raw.githubusercontent.com
-    将以下内容写入hosts文件
-    ```
-    199.232.68.133 raw.githubusercontent.com
-    ```
-
-- 监控端下载慢
-    
-    监控端主要涉及github域名有github.com及raw.githubusercontent.com，将这两个源替换为国内加速源即可
-    
-    - github.com源替换方案
-    
-    > sed -i 's/github.com/hub.fastgit.org/g' ./nezha.sh
-    
-    - raw.githubusercontent.com源替换方案
-    
-    > sed -i 's/raw.githubusercontent.com/raw.staticdn.net/g' ./nezha.sh
-
 ## 系统设计
 
 C/S 采用 gRPC 通信，客户端通过添加主机生成的单独 Token 上报监控信息。因为不会做成多用户的，上报信息会储存到内存中，暂不提供历史数据统计。
diff --git a/resource/template/theme-hotaru/home.html b/resource/template/theme-hotaru/home.html
index 5e388e5..f2ad7e4 100644
--- a/resource/template/theme-hotaru/home.html
+++ b/resource/template/theme-hotaru/home.html
@@ -131,7 +131,9 @@
 
     <button id="darkmodeButton"></button>
     <footer>
-        <p style="text-align:center;">Powered by <a href="https://github.com/naiba/nezha">哪吒面板</a> build · {{.Version}}
+        <p style="text-align:center;padding: 15px;">Powered by <a href="https://github.com/naiba/nezha">哪吒面板</a> build ·
+            {{.Version}}
+            <a href="/server">管理后台</a>
         </p>
     </footer>
     <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script>
diff --git a/script/install.sh b/script/install.sh
index aedb717..4e13fc9 100755
--- a/script/install.sh
+++ b/script/install.sh
@@ -82,7 +82,7 @@ pre_check() {
     fi
 
     ## server location
-    if curl api.myip.la/json | grep -q 'China'; then
+    if curl -s api.myip.la/json | grep -q 'China'; then
         GITHUB_RAW_URL="raw.staticdn.net"
         GITHUB_URL="hub.fastgit.org"
     fi
@@ -437,10 +437,10 @@ show_menu() {
         show_dashboard_log
         ;;
     7)
-        install_agent
+        uninstall_dashboard
         ;;
     8)
-        uninstall_dashboard
+        install_agent
         ;;
     9)
         modify_agent_config