diff --git a/out/sing-box-client/out b/out/sing-box-client/out
index b041eaa..7d287d7 100755
--- a/out/sing-box-client/out
+++ b/out/sing-box-client/out
@@ -1,6 +1,12 @@
 #!/bin/bash
 
 
-export https_proxy=http://127.0.0.1:3446
-export http_proxy=http://127.0.0.1:3446
-export all_proxy=socks5://127.0.0.1:3446
+if [ $# -eq 0 ] || [ "$1" == "start" ]; then
+  export https_proxy=http://127.0.0.1:3446
+  export http_proxy=http://127.0.0.1:3446
+  export all_proxy=socks5://127.0.0.1:3446
+elif [ "$1" == "stop" ]; then
+  unset https_proxy
+  unset http_proxy
+  unset all_proxy
+fi