fix: 更新 vue 版本

package.json

@@ -23,15 +23,15 @@
     "eruda": "^2.11.3",
     "fastclick": "^1.0.6",
     "sass": "^1.69.3",
+    "svg-sprite-loader": "^6.0.11",
+    "swiper": "^5.4.5",
     "v-viewer": "^1.6.4",
     "vant": "^2.12.54",
-    "vue": "^2.6.10",
+    "vue": "2.7",
     "vue-pdf": "^4.3.0",
     "vue-quill-editor": "^3.0.6",
     "vue-router": "^3.5.2",
     "vuex": "^3.0.1",
-    "swiper": "^5.4.5",
-    "svg-sprite-loader": "^6.0.11",
     "weixin-js-sdk": "^1.4.0-test"
   },
   "devDependencies": {