diff --git a/src/dashboard/src/pages/Operator/Node/index.js b/src/dashboard/src/pages/Operator/Node/index.js
index 1d20d1f94..66d0e4ff5 100644
--- a/src/dashboard/src/pages/Operator/Node/index.js
+++ b/src/dashboard/src/pages/Operator/Node/index.js
@@ -207,7 +207,8 @@ const CreateNode = props => {
   };
 
   const onFinish = values => {
-    handleCreate(values, createCallback);
+    const msg = { ...values, num: parseInt(values.num, 10) };
+    handleCreate(msg, createCallback);
   };
 
   const formItemLayout = {
diff --git a/src/dashboard/src/services/node.js b/src/dashboard/src/services/node.js
index 0e435de46..258a7f498 100644
--- a/src/dashboard/src/services/node.js
+++ b/src/dashboard/src/services/node.js
@@ -34,7 +34,8 @@ export async function deleteNode(params) {
 }
 
 export async function operateNode(params) {
-  return request(`/api/v1/nodes/${params.id}/operations?action=${params.message}`, {
+  return request(`/api/v1/nodes/${params.id}/operations`, {
     method: 'POST',
+    data: { action: params.message },
   });
 }