diff --git a/example/package.json b/example/package.json
index e7718cd3..26610e56 100644
--- a/example/package.json
+++ b/example/package.json
@@ -9,7 +9,7 @@
   },
   "dependencies": {
     "@5a/css": "^0.0.9",
-    "axios": "^0.19.2",
+    "axios": "^0.21.2",
     "dayjs": "^1.9.4",
     "express": "^4.17.1",
     "mathjs": "^7.1.0",
diff --git a/example/yarn.lock b/example/yarn.lock
index 504a220b..7585f70c 100644
--- a/example/yarn.lock
+++ b/example/yarn.lock
@@ -2064,12 +2064,12 @@ aws4@^1.8.0:
   resolved "https://registry.npm.taobao.org/aws4/download/aws4-1.10.1.tgz?cache=0&sync_timestamp=1597237002301&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Faws4%2Fdownload%2Faws4-1.10.1.tgz#e1e82e4f3e999e2cfd61b161280d16a111f86428"
   integrity sha1-4eguTz6Zniz9YbFhKA0WoRH4ZCg=
 
-axios@^0.19.2:
-  version "0.19.2"
-  resolved "https://registry.npm.taobao.org/axios/download/axios-0.19.2.tgz?cache=0&sync_timestamp=1597979791211&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Faxios%2Fdownload%2Faxios-0.19.2.tgz#3ea36c5d8818d0d5f8a8a97a6d36b86cdc00cb27"
-  integrity sha1-PqNsXYgY0NX4qKl6bTa4bNwAyyc=
+axios@^0.21.2:
+  version "0.21.2"
+  resolved "https://registry.yarnpkg.com/axios/-/axios-0.21.2.tgz#21297d5084b2aeeb422f5d38e7be4fbb82239017"
+  integrity sha512-87otirqUw3e8CzHTMO+/9kh/FSgXt/eVDvipijwDtEuwbkySWZ9SBm6VEubmJ/kLKEoLQV/POhxXFb66bfekfg==
   dependencies:
-    follow-redirects "1.5.10"
+    follow-redirects "^1.14.0"
 
 babel-eslint@^10.0.3:
   version "10.1.0"
@@ -3498,13 +3498,6 @@ debug@2.6.9, debug@^2.2.0, debug@^2.3.3:
   dependencies:
     ms "2.0.0"
 
-debug@=3.1.0:
-  version "3.1.0"
-  resolved "https://registry.npm.taobao.org/debug/download/debug-3.1.0.tgz#5bb5a0672628b64149566ba16819e61518c67261"
-  integrity sha1-W7WgZyYotkFJVmuhaBnmFRjGcmE=
-  dependencies:
-    ms "2.0.0"
-
 debug@^3.1.1, debug@^3.2.5:
   version "3.2.6"
   resolved "https://registry.npm.taobao.org/debug/download/debug-3.2.6.tgz#e83d17de16d8a7efb7717edbe5fb10135eee629b"
@@ -4441,17 +4434,10 @@ flush-write-stream@^1.0.0:
     inherits "^2.0.3"
     readable-stream "^2.3.6"
 
-follow-redirects@1.5.10:
-  version "1.5.10"
-  resolved "https://registry.npm.taobao.org/follow-redirects/download/follow-redirects-1.5.10.tgz?cache=0&sync_timestamp=1597059692702&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Ffollow-redirects%2Fdownload%2Ffollow-redirects-1.5.10.tgz#7b7a9f9aea2fdff36786a94ff643ed07f4ff5e2a"
-  integrity sha1-e3qfmuov3/NnhqlP9kPtB/T/Xio=
-  dependencies:
-    debug "=3.1.0"
-
-follow-redirects@^1.0.0:
-  version "1.13.0"
-  resolved "https://registry.npm.taobao.org/follow-redirects/download/follow-redirects-1.13.0.tgz?cache=0&sync_timestamp=1597059692702&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Ffollow-redirects%2Fdownload%2Ffollow-redirects-1.13.0.tgz#b42e8d93a2a7eea5ed88633676d6597bc8e384db"
-  integrity sha1-tC6Nk6Kn7qXtiGM2dtZZe8jjhNs=
+follow-redirects@^1.0.0, follow-redirects@^1.14.0:
+  version "1.14.9"
+  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.14.9.tgz#dd4ea157de7bfaf9ea9b3fbd85aa16951f78d8d7"
+  integrity sha512-MQDfihBQYMcyy5dhRDJUHcw7lb2Pv/TuE6xP1vyraLukNDHKbDxDNaOE3NbCAdKQApno+GPRyo1YAp89yCjK4w==
 
 for-in@^1.0.2:
   version "1.0.2"