fix check in put and output

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "behavior3editor",
-  "version": "1.8.10",
+  "version": "1.8.11",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "behavior3editor",
-      "version": "1.8.10",
+      "version": "1.8.11",
       "hasInstallScript": true,
       "license": "MIT",
       "dependencies": {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "behavior3editor",
-  "version": "1.8.10",
+  "version": "1.8.11",
   "main": "dist-electron/main/index.js",
   "description": "行为树编辑器",
   "author": "zhandouxiaojiji & codetypes",

src/components/inspector.tsx

@@ -677,7 +677,7 @@ const NodeInspector: FC = () => {
         node.input?.forEach((v, i) => {
           let desc: string;
           const inputDef = def.input;
-          if (inputDef && i >= inputDef.length && isVariadic(inputDef, -1)) {
+          if (inputDef?.length && i >= inputDef.length && isVariadic(inputDef, -1)) {
             desc = inputDef[inputDef.length - 1];
           } else {
             desc = inputDef?.[i] ?? "<unknown>";
@@ -690,7 +690,7 @@ const NodeInspector: FC = () => {
         node.output?.forEach((v, i) => {
           let desc: string;
           const outputDef = def.output;
-          if (outputDef && i >= outputDef.length && isVariadic(outputDef, -1)) {
+          if (outputDef?.length && i >= outputDef.length && isVariadic(outputDef, -1)) {
             desc = outputDef[outputDef.length - 1];
           } else {
             desc = outputDef?.[i] ?? "<unknown>";