diff --git a/demo/demo-online-front/package-lock.json b/demo/demo-online-front/package-lock.json
index 031e317..0614fef 100644
--- a/demo/demo-online-front/package-lock.json
+++ b/demo/demo-online-front/package-lock.json
@@ -1860,6 +1860,14 @@
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+      "resolved": "https://registry.npmjs.org/async-validator/-/async-validator-1.8.5.tgz",
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@@ -1983,6 +1991,11 @@
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       "resolved": "http://registry.npm.taobao.org/babel-loader/download/babel-loader-8.0.5.tgz",
@@ -2342,14 +2355,36 @@
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-      "integrity": "sha1-FmxOzvO1FzekJDbqgAKu6kZuosc=",
+      "version": "4.16.6",
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-        "node-releases": "^1.1.13"
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+        "electron-to-chromium": "^1.3.723",
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+        "node-releases": "^1.1.71"
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+          "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001228.tgz",
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+          "dev": true
+        },
+        "electron-to-chromium": {
+          "version": "1.3.738",
+          "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.738.tgz",
+          "integrity": "sha512-vCMf4gDOpEylPSLPLSwAEsz+R3ShP02Y3cAKMZvTqule3XcPp7tgc/0ESI7IS6ZeyBlGClE50N53fIOkcIVnpw==",
+          "dev": true
+        },
+        "node-releases": {
+          "version": "1.1.72",
+          "resolved": "https://registry.npmjs.org/node-releases/-/node-releases-1.1.72.tgz",
+          "integrity": "sha512-LLUo+PpH3dU6XizX3iVoubUNheF/owjXCZZ5yACDxNnPtgFuludV1ZL3ayK1kVep42Rmm0+R9/Y60NQbZ2bifw==",
+          "dev": true
+        }
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@@ -2862,6 +2897,12 @@
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+      "resolved": "https://registry.npmjs.org/colorette/-/colorette-1.2.2.tgz",
+      "integrity": "sha512-MKGMzyfeuutC/ZJ1cba9NqcNpfeqMUcYmyF1ZFY6/Cn7CNSAKx6a+s48sqLqyAiZuaP2TcqMhoo+dlwFnVxT9w==",
+      "dev": true
+    },
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@@ -3243,6 +3284,11 @@
         "parse-json": "^4.0.0"
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+      "resolved": "https://registry.npmjs.org/crc32/-/crc32-0.2.2.tgz",
+      "integrity": "sha1-etIg1v/c0Rn5/BJ6d3LKzqOQpLo="
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@@ -3635,8 +3681,7 @@
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-      "integrity": "sha1-EEmdhohEza1P7ghC34x/bwyVp1M=",
-      "dev": true
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@@ -3707,6 +3752,11 @@
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@@ -3950,11 +4000,18 @@
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-      "integrity": "sha1-hh/AFIdIoRs+XM69+LeV/1E/oR8=",
-      "dev": true
+    "element-ui": {
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+      "resolved": "https://registry.npmjs.org/element-ui/-/element-ui-2.15.1.tgz",
+      "integrity": "sha512-TqlScAKGH97XndSScUDeEHIzL1x7yg7DvQdKPEOUdiDcyIz3y3FJJBlpHYaJT96FOn1xpIcUZb+I2FJeU9EcrQ==",
+      "requires": {
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+        "babel-helper-vue-jsx-merge-props": "^2.0.0",
+        "deepmerge": "^1.2.0",
+        "normalize-wheel": "^1.0.1",
+        "resize-observer-polyfill": "^1.5.0",
+        "throttle-debounce": "^1.0.1"
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@@ -4075,6 +4132,12 @@
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+      "resolved": "https://registry.npmjs.org/escalade/-/escalade-3.1.1.tgz",
+      "integrity": "sha512-k0er2gUkLf8O0zKJiAhmkTnJlTvINGv7ygDNPbeIsX/TJjGJZHuh9B2UxbsaEkmlEo9MfhrSzmhIlhRlI2GXnw==",
+      "dev": true
+    },
     "escape-html": {
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@@ -5743,6 +5806,15 @@
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       "dev": true
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+      "resolved": "https://registry.npmjs.org/gzip-js/-/gzip-js-0.3.2.tgz",
+      "integrity": "sha1-IxF+/usozzhSSN7/Df+tiUg22Ws=",
+      "requires": {
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+        "deflate-js": ">= 0.2.2"
+      }
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@@ -7412,6 +7484,11 @@
         }
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+    "moment": {
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+      "resolved": "https://registry.npmjs.org/moment/-/moment-2.29.1.tgz",
+      "integrity": "sha512-kHmoybcPV8Sqy59DwNDY3Jefr64lK/by/da0ViFcuA4DH0vQg5Q6Ze5VimxkfQNSC+Mls/Kx53s7TjP1RhFEDQ=="
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@@ -7606,15 +7683,6 @@
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-      "integrity": "sha1-8fQcg8rILK69ZznmMT1Ws7CckYk=",
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@@ -7645,6 +7713,11 @@
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       "dev": true
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+    "normalize-wheel": {
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+      "resolved": "https://registry.npmjs.org/normalize-wheel/-/normalize-wheel-1.0.1.tgz",
+      "integrity": "sha1-rsiGr/2wRQcNhWRH32Ls+GFG7EU="
+    },
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@@ -9302,6 +9375,11 @@
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       "dev": true
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+    "resize-observer-polyfill": {
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+      "resolved": "https://registry.npmjs.org/resize-observer-polyfill/-/resize-observer-polyfill-1.5.1.tgz",
+      "integrity": "sha512-LwZrotdHOo12nQuZlHEmtuXdqGoOD0OhaxopaNFxWzInpEgaLWoVuAMbTzixuosCx2nEG58ngzW3vxdWoxIgdg=="
+    },
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@@ -10389,6 +10467,11 @@
         "neo-async": "^2.6.0"
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+    "throttle-debounce": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/throttle-debounce/-/throttle-debounce-1.1.0.tgz",
+      "integrity": "sha512-XH8UiPCQcWNuk2LYePibW/4qL97+ZQ1AN3FNXwZRBNPPowo/NRU5fAlDCSNBJIYCKbioZfuYtMhG4quqoJhVzg=="
+    },
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       "resolved": "http://registry.npm.taobao.org/through/download/through-2.3.8.tgz",