Modal.update失效解决，固定vue版本

package.json

@@ -36,7 +36,7 @@
     "requestretry": "^3.1.0",
     "thinkjs-util": ">=0.0.1",
     "vertx": "^0.0.1-security",
-    "vue": "^3.2.6",
+    "vue": "3.2.6",
     "vue-router": "^4.0.0-0"
   },
   "devDependencies": {

src/lib/watermark.ts

@@ -190,7 +190,7 @@ export async function addWatermark(
     // if (student.inspector) {
     //   drawText(x, (y += height), "复核人： " + student.inspector.loginName);
     // }
-    if (student.inspector?.length) {
+    if (student.inspector && student.inspector.length) {
       const allNameStr = student.inspector
         .map((item: any) => item.loginName)
         .join("、");