diff --git a/addons/polardbx/templates/clusterDefintion.yaml b/addons/polardbx/templates/clusterDefintion.yaml
index 620b052e5..0cd995676 100644
--- a/addons/polardbx/templates/clusterDefintion.yaml
+++ b/addons/polardbx/templates/clusterDefintion.yaml
@@ -36,16 +36,10 @@ spec:
           customHandler:
             - image: "arey/mysql-client:latest"
               command:
-                - mysql
-                - "-h127.0.0.1"
-                - "-P3306"
-                - "-uroot"
-                - "-N"
-                - "-B"
-                - "-e"
-                - "\"select role from information_schema.alisql_cluster_local\""
-                - "|"
-                - "xargs echo -n"
+                - sh
+                - -c
+                - | 
+                  mysql -h127.0.0.1 -P3306 -uroot -N -B -e "select role from information_schema.alisql_cluster_local" | xargs echo -n
         memberUpdateStrategy: Serial
       service:
         ports:
@@ -251,16 +245,10 @@ spec:
           customHandler:
             - image: "arey/mysql-client:latest"
               command:
-                - mysql
-                - "-h127.0.0.1"
-                - "-P3306"
-                - "-uroot"
-                - "-N"
-                - "-B"
-                - "-e"
-                - "\"select role from information_schema.alisql_cluster_local\""
-                - "|"
-                - "xargs echo -n"
+                - sh
+                - -c
+                - |
+                  mysql -h127.0.0.1 -P3306 -uroot -N -B -e "select role from information_schema.alisql_cluster_local" | xargs echo -n
         memberUpdateStrategy: Serial
       service:
         ports: