feat: 数量显示问题修复

package.json

@@ -86,9 +86,9 @@
     "eslint-plugin-import": "^2.20.0",
     "eslint-plugin-vue": "^6.1.2",
     "husky": "^3.0.0",
+    "lint-staged": "^10.2.11",
     "mutation-observer": "^1.0.3",
     "prettier": "^2.0.5",
-    "lint-staged": "^10.2.11",
     "stylelint-config-standard": "^19.0.0"
   },
   "nyc": {

src/packages/imagepreview/imagepreview.vue

@@ -40,7 +40,7 @@ export default {
   },
   methods: {
     slideChangeEnd(page) {
-      this.active = page;
+      this.active = page > this.images.length ? this.images.length : page;
     },
   },
 };