意见反馈功能页面提交

package.json

@@ -25,6 +25,7 @@
     "echarts": "4.1.0",
     "element-ui": "2.4.6",
     "file-saver": "1.3.8",
+    "html2canvas": "^1.0.0-rc.3",
     "js-cookie": "2.2.0",
     "jsencrypt": "^3.0.0-rc.1",
     "jszip": "3.1.5",
@@ -33,6 +34,7 @@
     "nprogress": "0.2.0",
     "path-to-regexp": "2.4.0",
     "screenfull": "3.3.3",
+    "simple-drawing-board": "^2.0.1",
     "vue": "2.5.17",
     "vue-count-to": "1.0.13",
     "vue-router": "3.0.2",