diff --git a/public/doc/yarn.lock b/public/doc/yarn.lock
old mode 100755
new mode 100644
index 726227d..9c56e67
--- a/public/doc/yarn.lock
+++ b/public/doc/yarn.lock
@@ -2067,7 +2067,7 @@ chalk@^1.1.3:
     strip-ansi "^3.0.0"
     supports-color "^2.0.0"
 
-chalk@^2.0.0, chalk@^2.3.2, chalk@^2.4.1, chalk@^2.4.2:
+chalk@^2.0.0, chalk@^2.3.2, chalk@^2.4.1:
   version "2.4.2"
   resolved "https://registry.npm.taobao.org/chalk/download/chalk-2.4.2.tgz#cd42541677a54333cf541a49108c1432b44c9424"
   integrity sha1-zUJUFnelQzPPVBpJEIwUMrRMlCQ=
@@ -5512,6 +5512,11 @@ performance-now@^2.1.0:
   resolved "https://registry.npm.taobao.org/performance-now/download/performance-now-2.1.0.tgz#6309f4e0e5fa913ec1c69307ae364b4b377c9e7b"
   integrity sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns=
 
+picocolors@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/picocolors/-/picocolors-0.2.1.tgz#570670f793646851d1ba135996962abad587859f"
+  integrity sha512-cMlDqaLEqfSaW8Z7N5Jw+lyIW869EzT73/F5lhtY9cLGoVxSXznfgfXMO0Z5K0o0Q2TkTXq+0KFsdnSe3jDViA==
+
 picomatch@^2.0.4, picomatch@^2.2.1:
   version "2.2.2"
   resolved "https://registry.npm.taobao.org/picomatch/download/picomatch-2.2.2.tgz#21f333e9b6b8eaff02468f5146ea406d345f4dad"
@@ -5899,13 +5904,12 @@ postcss-value-parser@^4.0.2, postcss-value-parser@^4.1.0:
   integrity sha1-RD9qIM7WSBor2k+oUypuVdeJoss=
 
 postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.14, postcss@^7.0.26, postcss@^7.0.27, postcss@^7.0.32, postcss@^7.0.5, postcss@^7.0.6:
-  version "7.0.35"
-  resolved "https://registry.npm.taobao.org/postcss/download/postcss-7.0.35.tgz?cache=0&sync_timestamp=1603064311806&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fpostcss%2Fdownload%2Fpostcss-7.0.35.tgz#d2be00b998f7f211d8a276974079f2e92b970e24"
-  integrity sha1-0r4AuZj38hHYonaXQHny6SuXDiQ=
+  version "7.0.39"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.39.tgz#9624375d965630e2e1f2c02a935c82a59cb48309"
+  integrity sha512-yioayjNbHn6z1/Bywyb2Y4s3yvDAeXGOyxqD+LnVOinq6Mdmd++SW2wUNVzavyyHxd6+DxzWGIuosg6P1Rj8uA==
   dependencies:
-    chalk "^2.4.2"
+    picocolors "^0.2.1"
     source-map "^0.6.1"
-    supports-color "^6.1.0"
 
 prepend-http@^2.0.0:
   version "2.0.0"
@@ -6705,8 +6709,8 @@ source-map@^0.5.0, source-map@^0.5.6:
 
 source-map@^0.6.0, source-map@^0.6.1, source-map@~0.6.0, source-map@~0.6.1:
   version "0.6.1"
-  resolved "https://registry.npm.taobao.org/source-map/download/source-map-0.6.1.tgz?cache=0&sync_timestamp=1589682764497&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fsource-map%2Fdownload%2Fsource-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
-  integrity sha1-dHIq8y6WFOnCh6jQu95IteLxomM=
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
+  integrity sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==
 
 source-map@^0.7.3:
   version "0.7.3"