diff --git a/package-lock.json b/package-lock.json
index 27418d0..928b528 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10033,6 +10033,12 @@
       "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns=",
       "dev": true
     },
+    "picocolors": {
+      "version": "0.2.1",
+      "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-0.2.1.tgz",
+      "integrity": "sha512-cMlDqaLEqfSaW8Z7N5Jw+lyIW869EzT73/F5lhtY9cLGoVxSXznfgfXMO0Z5K0o0Q2TkTXq+0KFsdnSe3jDViA==",
+      "dev": true
+    },
     "picomatch": {
       "version": "2.1.1",
       "resolved": "https://registry.npm.taobao.org/picomatch/download/picomatch-2.1.1.tgz",
@@ -10201,56 +10207,13 @@
       "dev": true
     },
     "postcss": {
-      "version": "7.0.21",
-      "resolved": "https://registry.npm.taobao.org/postcss/download/postcss-7.0.21.tgz",
-      "integrity": "sha1-BrsHgkwZwgIcXQVtWxDDW5iffhc=",
+      "version": "7.0.39",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-7.0.39.tgz",
+      "integrity": "sha512-yioayjNbHn6z1/Bywyb2Y4s3yvDAeXGOyxqD+LnVOinq6Mdmd++SW2wUNVzavyyHxd6+DxzWGIuosg6P1Rj8uA==",
       "dev": true,
       "requires": {
-        "chalk": "^2.4.2",
-        "source-map": "^0.6.1",
-        "supports-color": "^6.1.0"
-      },
-      "dependencies": {
-        "ansi-styles": {
-          "version": "3.2.1",
-          "resolved": "https://registry.npm.taobao.org/ansi-styles/download/ansi-styles-3.2.1.tgz",
-          "integrity": "sha1-QfuyAkPlCxK+DwS43tvwdSDOhB0=",
-          "dev": true,
-          "requires": {
-            "color-convert": "^1.9.0"
-          }
-        },
-        "chalk": {
-          "version": "2.4.2",
-          "resolved": "https://registry.npm.taobao.org/chalk/download/chalk-2.4.2.tgz?cache=0&sync_timestamp=1573282918610&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fchalk%2Fdownload%2Fchalk-2.4.2.tgz",
-          "integrity": "sha1-zUJUFnelQzPPVBpJEIwUMrRMlCQ=",
-          "dev": true,
-          "requires": {
-            "ansi-styles": "^3.2.1",
-            "escape-string-regexp": "^1.0.5",
-            "supports-color": "^5.3.0"
-          },
-          "dependencies": {
-            "supports-color": {
-              "version": "5.5.0",
-              "resolved": "https://registry.npm.taobao.org/supports-color/download/supports-color-5.5.0.tgz?cache=0&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fsupports-color%2Fdownload%2Fsupports-color-5.5.0.tgz",
-              "integrity": "sha1-4uaaRKyHcveKHsCzW2id9lMO/I8=",
-              "dev": true,
-              "requires": {
-                "has-flag": "^3.0.0"
-              }
-            }
-          }
-        },
-        "supports-color": {
-          "version": "6.1.0",
-          "resolved": "https://registry.npm.taobao.org/supports-color/download/supports-color-6.1.0.tgz?cache=0&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fsupports-color%2Fdownload%2Fsupports-color-6.1.0.tgz",
-          "integrity": "sha1-B2Srxpxj1ayELdSGfo0CXogN+PM=",
-          "dev": true,
-          "requires": {
-            "has-flag": "^3.0.0"
-          }
-        }
+        "picocolors": "^0.2.1",
+        "source-map": "^0.6.1"
       }
     },
     "postcss-calc": {