fix: '图片预览组件添加'

package.json

@@ -41,6 +41,7 @@
         "react-file-viewer": "^1.2.1",
         "react-sign2": "^0.0.3",
         "react-svg": "15.1.9",
+        "viewerjs-react": "^1.0.2",
         "yarn": "^1.22.17"
     },
     "devDependencies": {