diff --git a/node/koa/package-lock.json b/node/koa/package-lock.json
index 1054918..a38fca7 100644
--- a/node/koa/package-lock.json
+++ b/node/koa/package-lock.json
@@ -2688,9 +2688,9 @@
       "integrity": "sha1-QwY30ki6d+B4iDlR+5qg7tfGP6I="
     },
     "tar": {
-      "version": "6.1.0",
-      "resolved": "https://registry.npm.taobao.org/tar/download/tar-6.1.0.tgz?cache=0&sync_timestamp=1610045517836&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Ftar%2Fdownload%2Ftar-6.1.0.tgz",
-      "integrity": "sha1-0XJOm8wEuXexjVxXOzM6IgcimoM=",
+      "version": "6.1.5",
+      "resolved": "https://registry.npmjs.org/tar/-/tar-6.1.5.tgz",
+      "integrity": "sha512-FiK6MQyyaqd5vHuUjbg/NpO8BuEGeSXcmlH7Pt/JkugWS8s0w8nKybWjHDJiwzCAIKZ66uof4ghm4tBADjcqRA==",
       "requires": {
         "chownr": "^2.0.0",
         "fs-minipass": "^2.0.0",
@@ -2702,8 +2702,8 @@
       "dependencies": {
         "mkdirp": {
           "version": "1.0.4",
-          "resolved": "https://registry.nlark.com/mkdirp/download/mkdirp-1.0.4.tgz?cache=0&sync_timestamp=1618846960038&other_urls=https%3A%2F%2Fregistry.nlark.com%2Fmkdirp%2Fdownload%2Fmkdirp-1.0.4.tgz",
-          "integrity": "sha1-PrXtYmInVteaXw4qIh3+utdcL34="
+          "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-1.0.4.tgz",
+          "integrity": "sha512-vVqVZQyf3WLx2Shd0qJ9xuvqgAyKPLAiqITEtqW0oIUjzo3PePDd6fW9iFz30ef7Ysp/oiWqbhszeGWW2T6Gzw=="
         }
       }
     },
diff --git a/node/koa/yarn.lock b/node/koa/yarn.lock
index 8875ba3..cc56e30 100644
--- a/node/koa/yarn.lock
+++ b/node/koa/yarn.lock
@@ -360,8 +360,8 @@ chownr@^1.1.1:
 
 chownr@^2.0.0:
   version "2.0.0"
-  resolved "http://r.npm.sankuai.com/chownr/download/chownr-2.0.0.tgz#15bfbe53d2eab4cf70f18a8cd68ebe5b3cb1dece"
-  integrity sha1-Fb++U9LqtM9w8YqM1o6+Wzyx3s4=
+  resolved "https://registry.yarnpkg.com/chownr/-/chownr-2.0.0.tgz#15bfbe53d2eab4cf70f18a8cd68ebe5b3cb1dece"
+  integrity sha512-bIomtDF5KGpdogkLd9VspvFzk9KfpyyGlS8YFVZl7TGPBHL5snIOnxeshwVgPteQ9b4Eydl+pVbIyE1DcvCWgQ==
 
 ci-info@^2.0.0:
   version "2.0.0"
@@ -845,8 +845,8 @@ fs-extra@^9.1.0:
 
 fs-minipass@^2.0.0:
   version "2.1.0"
-  resolved "http://r.npm.sankuai.com/fs-minipass/download/fs-minipass-2.1.0.tgz#7f5036fdbf12c63c169190cbe4199c852271f9fb"
-  integrity sha1-f1A2/b8SxjwWkZDL5BmchSJx+fs=
+  resolved "https://registry.yarnpkg.com/fs-minipass/-/fs-minipass-2.1.0.tgz#7f5036fdbf12c63c169190cbe4199c852271f9fb"
+  integrity sha512-V/JgOLFCS+R6Vcq0slCuaeWEdNC3ouDlJMNIsacH2VtALiu9mV4LPrHc5cDl8k5aw6J8jwgWWpiTo5RYhmIzvg==
   dependencies:
     minipass "^3.0.0"
 
@@ -1595,15 +1595,15 @@ minimist@^1.2.0, minimist@^1.2.5:
 
 minipass@^3.0.0:
   version "3.1.3"
-  resolved "http://r.npm.sankuai.com/minipass/download/minipass-3.1.3.tgz#7d42ff1f39635482e15f9cdb53184deebd5815fd"
-  integrity sha1-fUL/HzljVILhX5zbUxhN7r1YFf0=
+  resolved "https://registry.yarnpkg.com/minipass/-/minipass-3.1.3.tgz#7d42ff1f39635482e15f9cdb53184deebd5815fd"
+  integrity sha512-Mgd2GdMVzY+x3IJ+oHnVM+KG3lA5c8tnabyJKmHSaG2kAGpudxuOf8ToDkhumF7UzME7DecbQE9uOZhNm7PuJg==
   dependencies:
     yallist "^4.0.0"
 
 minizlib@^2.1.1:
   version "2.1.2"
-  resolved "http://r.npm.sankuai.com/minizlib/download/minizlib-2.1.2.tgz#e90d3466ba209b932451508a11ce3d3632145931"
-  integrity sha1-6Q00Zrogm5MkUVCKEc49NjIUWTE=
+  resolved "https://registry.yarnpkg.com/minizlib/-/minizlib-2.1.2.tgz#e90d3466ba209b932451508a11ce3d3632145931"
+  integrity sha512-bAxsR8BVfj60DWXHE3u30oHzfl4G7khkSuPW+qvpd7jFRHm7dLxOjUk1EHACJ/hxLY8phGJ0YhYHZo7jil7Qdg==
   dependencies:
     minipass "^3.0.0"
     yallist "^4.0.0"
@@ -1622,8 +1622,8 @@ mkdirp@^0.5.4:
 
 mkdirp@^1.0.3:
   version "1.0.4"
-  resolved "http://r.npm.sankuai.com/mkdirp/download/mkdirp-1.0.4.tgz#3eb5ed62622756d79a5f0e2a221dfebad75c2f7e"
-  integrity sha1-PrXtYmInVteaXw4qIh3+utdcL34=
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-1.0.4.tgz#3eb5ed62622756d79a5f0e2a221dfebad75c2f7e"
+  integrity sha512-vVqVZQyf3WLx2Shd0qJ9xuvqgAyKPLAiqITEtqW0oIUjzo3PePDd6fW9iFz30ef7Ysp/oiWqbhszeGWW2T6Gzw==
 
 ms@2.0.0:
   version "2.0.0"
@@ -2401,9 +2401,9 @@ tar-stream@^2.1.4:
     readable-stream "^3.1.1"
 
 tar@^6.1.0:
-  version "6.1.0"
-  resolved "http://r.npm.sankuai.com/tar/download/tar-6.1.0.tgz#d1724e9bcc04b977b18d5c573b333a2207229a83"
-  integrity sha1-0XJOm8wEuXexjVxXOzM6IgcimoM=
+  version "6.1.5"
+  resolved "https://registry.yarnpkg.com/tar/-/tar-6.1.5.tgz#6e25bee1cfda94317aedc3f5d49290ae68361d73"
+  integrity sha512-FiK6MQyyaqd5vHuUjbg/NpO8BuEGeSXcmlH7Pt/JkugWS8s0w8nKybWjHDJiwzCAIKZ66uof4ghm4tBADjcqRA==
   dependencies:
     chownr "^2.0.0"
     fs-minipass "^2.0.0"
@@ -2745,8 +2745,8 @@ yallist@^2.1.2:
 
 yallist@^4.0.0:
   version "4.0.0"
-  resolved "http://r.npm.sankuai.com/yallist/download/yallist-4.0.0.tgz#9bb92790d9c0effec63be73519e11a35019a3a72"
-  integrity sha1-m7knkNnA7/7GO+c1GeEaNQGaOnI=
+  resolved "https://registry.yarnpkg.com/yallist/-/yallist-4.0.0.tgz#9bb92790d9c0effec63be73519e11a35019a3a72"
+  integrity sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==
 
 yauzl@^2.10.0:
   version "2.10.0"