diff --git a/src/App.tsx b/src/App.tsx
index 43656c2..e1b8774 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -124,7 +124,10 @@ function FlowContent(): ReactNode {
     setNodes((prev) =>
       prev.map((node) => {
         if (node.data.id === editingNode?.id) {
-          node.data = {...node.data, ...updatedData}
+          return {
+            ...node,
+            data: {...node.data, ...updatedData}
+          }
         }
         return node;
       })
diff --git a/src/components/NodeEditor.tsx b/src/components/NodeEditor.tsx
index 8c42a77..0bf8de8 100644
--- a/src/components/NodeEditor.tsx
+++ b/src/components/NodeEditor.tsx
@@ -23,6 +23,14 @@ class Validation {
 function Validate(updateData : NodeDataUpdate, settings : Settings) : Validation {
   const errors: string[] = [];
 
+  if(!updateData.label) {
+    errors.push("Label不能是空");
+  }
+
+  if(!updateData.privateKey) {
+    errors.push("privateKey不能是空");
+  }
+
   const ipv4Subnet = settings.ipv4Subnet;
   const ipv4Address = updateData.ipv4Address;
   if(ipv4Subnet) {
diff --git a/src/components/SettingsEditor.tsx b/src/components/SettingsEditor.tsx
index 45ae66f..016cf69 100644
--- a/src/components/SettingsEditor.tsx
+++ b/src/components/SettingsEditor.tsx
@@ -83,11 +83,8 @@ export default function SettingsEditor({
             min="30000"
             max="49151"
             step="1"
-            value={listenPort}
-            onChange={e => {
-              const value = e.target.valueAsNumber;
-              setListenPort(isNaN(value) ? 38894 : value);
-            }}
+            value={listenPort || ""}
+            onChange={e => setListenPort(e.target.valueAsNumber)}
           />
         </div>