diff --git a/deploy_k8s/sdk_server/deployment.yaml b/deploy_k8s/sdk_server/deployment.yaml
index 6fe6c4b62..0030a3d30 100644
--- a/deploy_k8s/sdk_server/deployment.yaml
+++ b/deploy_k8s/sdk_server/deployment.yaml
@@ -25,7 +25,7 @@ spec:
           - name: local-db
             mountPath: /db/sdk
         command: ["/Open-IM-Server/main"]
-        args: ["openIM_api_port", "10002", "openIM_ws_port", "10001", "sdk_ws_port", "10003", "openIM_log_level", "6"]
+        args: ["-openIM_api_port", "10002", "-openIM_ws_port", "10001", "-sdk_ws_port", "10003", "-openIM_log_level", "6"]
       volumes:
         - name: config
           configMap: