fix 构建调整

package.json

@@ -21,18 +21,18 @@
     "axios": "0.16.2",
     "better-scroll": "^0.1.15",
     "dayjs": "^1.10.7",
-    "echarts": "^4.2.0-rc.2",
+    "echarts": "4.2.0-rc.2",
     "element-ui": "^2.11.1",
     "fastclick": "^1.0.6",
     "html2canvas": "^1.0.0-rc.5",
     "iscroll": "^5.2.0",
     "js-cookie": "^2.2.0",
     "js-md5": "^0.7.3",
-    "jsencrypt": "^3.2.1",
+    "jsencrypt": "3.2.1",
     "jspdf": "^1.5.3",
     "node-sass": "^4.9.2",
     "pdfh5": "^1.3.9",
-    "qrcode": "^1.3.3",
+    "qrcode": "1.3.3",
     "qrcodejs2": "^0.0.2",
     "showdown": "^1.6.4",
     "sortablejs": "^1.13.0",