diff --git a/start.sh b/start.sh
index 3b5ba9a..a4c272b 100644
--- a/start.sh
+++ b/start.sh
@@ -103,7 +103,7 @@ source "$Server_Dir/scripts/port_utils.sh"
 CLASH_HTTP_PORT="$(resolve_port_value "HTTP" "$CLASH_HTTP_PORT")"
 CLASH_SOCKS_PORT="$(resolve_port_value "SOCKS" "$CLASH_SOCKS_PORT")"
 CLASH_REDIR_PORT="$(resolve_port_value "REDIR" "$CLASH_REDIR_PORT")"
-EXTERNAL_CONTROLLER="$(resolve_host_port "External Controller" "$EXTERNAL_CONTROLLER" "0.0.0.0")"
+EXTERNAL_CONTROLLER="$(resolve_host_port "External Controller" "$EXTERNAL_CONTROLLER" "127.0.0.1")"
 
 # shellcheck disable=SC1090
 source "$Server_Dir/scripts/config_utils.sh"