diff --git a/packages/vant-markdown-loader/yarn.lock b/packages/vant-markdown-loader/yarn.lock
index 41dea0545..770fecda6 100644
--- a/packages/vant-markdown-loader/yarn.lock
+++ b/packages/vant-markdown-loader/yarn.lock
@@ -28,8 +28,8 @@ big.js@^5.2.2:
 
 camelcase@^5.0.0:
   version "5.3.1"
-  resolved "https://registry.npm.taobao.org/camelcase/download/camelcase-5.3.1.tgz#e3c9b31569e106811df242f715725a1f4c494320"
-  integrity sha1-48mzFWnhBoEd8kL3FXJaH0xJQyA=
+  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-5.3.1.tgz#e3c9b31569e106811df242f715725a1f4c494320"
+  integrity sha512-L28STB170nwWS63UjtlEOE3dldQApaJXZkOI1uMFfzf3rRuPegHaHesyee+YxQ+W6SvRDQV6UrdOdRiR153wJg==
 
 cliui@^5.0.0:
   version "5.0.0"
@@ -59,7 +59,7 @@ commander@~2.20.3:
 
 decamelize@^1.2.0:
   version "1.2.0"
-  resolved "https://registry.npm.taobao.org/decamelize/download/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
+  resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
   integrity sha1-9lNNFRSCabIDUue+4m9QH5oZEpA=
 
 emoji-regex@^7.0.1:
@@ -317,9 +317,9 @@ y18n@^4.0.0:
   integrity sha1-le+U+F7MgdAHwmThkKEg8KPIVms=
 
 yargs-parser@^15.0.0:
-  version "15.0.0"
-  resolved "https://registry.npm.taobao.org/yargs-parser/download/yargs-parser-15.0.0.tgz?cache=0&sync_timestamp=1572648717575&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fyargs-parser%2Fdownload%2Fyargs-parser-15.0.0.tgz#cdd7a97490ec836195f59f3f4dbe5ea9e8f75f08"
-  integrity sha1-zdepdJDsg2GV9Z8/Tb5eqej3Xwg=
+  version "15.0.1"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-15.0.1.tgz#54786af40b820dcb2fb8025b11b4d659d76323b3"
+  integrity sha512-0OAMV2mAZQrs3FkNpDQcBk1x5HXb8X4twADss4S0Iuk+2dGnLOE/fRHrsYm542GduMveyA77OF4wrNJuanRCWw==
   dependencies:
     camelcase "^5.0.0"
     decamelize "^1.2.0"