diff --git a/bin/create_config.sh b/bin/create_config.sh
index b2a975c..9cffb33 100644
--- a/bin/create_config.sh
+++ b/bin/create_config.sh
@@ -74,7 +74,7 @@ create_self_tls_config() {
 create_config(){
     local script_dir=$(cd "$(dirname "$0")"; pwd)
 
-    local config_file = "$script_dir/../config/config.json"
+    local config_file="$script_dir/../config/config.json"
 
     # 如果配置文件不存在, 创建空白配置文件
     if [ ! -e  "$config_file" ]; then