diff --git a/package-lock.json b/package-lock.json
index e6554a6..c6c17c6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -134,12 +134,6 @@
         "tweetnacl": "^0.14.3"
       }
     },
-    "big.js": {
-      "version": "5.2.2",
-      "resolved": "http://registry.npm.taobao.org/big.js/download/big.js-5.2.2.tgz",
-      "integrity": "sha1-ZfCvOC9Xi83HQr2cKB6cstd2gyg=",
-      "dev": true
-    },
     "bluebird": {
       "version": "3.5.3",
       "resolved": "http://registry.npm.taobao.org/bluebird/download/bluebird-3.5.3.tgz",
@@ -659,12 +653,6 @@
       "integrity": "sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0=",
       "dev": true
     },
-    "emojis-list": {
-      "version": "2.1.0",
-      "resolved": "http://registry.npm.taobao.org/emojis-list/download/emojis-list-2.1.0.tgz",
-      "integrity": "sha1-TapNnbAPmBmIDHn6RXrlsJof04k=",
-      "dev": true
-    },
     "entities": {
       "version": "1.1.2",
       "resolved": "http://registry.npm.taobao.org/entities/download/entities-1.1.2.tgz",
@@ -1289,23 +1277,6 @@
       "integrity": "sha1-Epai1Y/UXxmg9s4B1lcB4sc1tus=",
       "dev": true
     },
-    "json5": {
-      "version": "1.0.1",
-      "resolved": "http://registry.npm.taobao.org/json5/download/json5-1.0.1.tgz",
-      "integrity": "sha1-d5+wAYYE+oVOrL9iUhgNg1Q+Pb4=",
-      "dev": true,
-      "requires": {
-        "minimist": "^1.2.0"
-      },
-      "dependencies": {
-        "minimist": {
-          "version": "1.2.0",
-          "resolved": "http://registry.npm.taobao.org/minimist/download/minimist-1.2.0.tgz",
-          "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
-          "dev": true
-        }
-      }
-    },
     "jsonfile": {
       "version": "4.0.0",
       "resolved": "http://registry.npm.taobao.org/jsonfile/download/jsonfile-4.0.0.tgz",
@@ -1348,6 +1319,12 @@
         "is-buffer": "^1.1.5"
       }
     },
+    "klona": {
+      "version": "2.0.5",
+      "resolved": "https://registry.npmmirror.com/klona/-/klona-2.0.5.tgz",
+      "integrity": "sha512-pJiBpiXMbt7dkzXe8Ghj/u4FfXOOa98fPW+bihOJ4SjnoijweJrNThJfd3ifXpXhREjpoF2mZVH1GfS9LV3kHQ==",
+      "dev": true
+    },
     "koa": {
       "version": "2.7.0",
       "resolved": "http://registry.npm.taobao.org/koa/download/koa-2.7.0.tgz",
@@ -1535,25 +1512,12 @@
       }
     },
     "less-loader": {
-      "version": "4.1.0",
-      "resolved": "http://registry.npm.taobao.org/less-loader/download/less-loader-4.1.0.tgz",
-      "integrity": "sha1-LBNSxbCaT4QQFJAnT9UWdN5BNj4=",
-      "dev": true,
-      "requires": {
-        "clone": "^2.1.1",
-        "loader-utils": "^1.1.0",
-        "pify": "^3.0.0"
-      }
-    },
-    "loader-utils": {
-      "version": "1.2.3",
-      "resolved": "http://registry.npm.taobao.org/loader-utils/download/loader-utils-1.2.3.tgz",
-      "integrity": "sha1-H/XcaRHJ8KBiUxpMBLYJQGEIwsc=",
+      "version": "11.1.0",
+      "resolved": "https://registry.npmmirror.com/less-loader/-/less-loader-11.1.0.tgz",
+      "integrity": "sha512-C+uDBV7kS7W5fJlUjq5mPBeBVhYpTIm5gB09APT9o3n/ILeaXVsiSFTbZpTJCJwQ/Crczfn3DmfQFwxYusWFug==",
       "dev": true,
       "requires": {
-        "big.js": "^5.2.2",
-        "emojis-list": "^2.0.0",
-        "json5": "^1.0.1"
+        "klona": "^2.0.4"
       }
     },
     "lodash": {
@@ -2024,12 +1988,6 @@
       "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns=",
       "dev": true
     },
-    "pify": {
-      "version": "3.0.0",
-      "resolved": "http://registry.npm.taobao.org/pify/download/pify-3.0.0.tgz",
-      "integrity": "sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY=",
-      "dev": true
-    },
     "pretty": {
       "version": "2.0.0",
       "resolved": "http://registry.npm.taobao.org/pretty/download/pretty-2.0.0.tgz",
diff --git a/package.json b/package.json
index 947330f..28ea139 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "koa-views": "^6.1.5",
     "koa2-cors": "^2.0.6",
     "less": "^3.9.0",
-    "less-loader": "^4.1.0",
+    "less-loader": "^11.1.0",
     "mongoose": "^5.4.19",
     "path": "^0.12.7",
     "puppeteer": "^1.13.0",