diff --git a/lsy-frpc/data/lsyfrpc/check_config.sh b/lsy-frpc/data/lsyfrpc/check_config.sh
index 021cb05..ca575ad 100755
--- a/lsy-frpc/data/lsyfrpc/check_config.sh
+++ b/lsy-frpc/data/lsyfrpc/check_config.sh
@@ -24,7 +24,7 @@ function get_cloud_config() {
         echo "Response: $response"    
         cloud_port=$(echo "$response" | grep -o '"port":[0-9]*' | awk -F: '{print $2}')
 
-        if [ -z "$cloud_port" ]; then
+        if [ -n "$cloud_port" ]; then
             # 成功获取到端口
             break
         else