diff --git a/package.json b/package.json
index f78013d..014d6a3 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
   },
   "homepage": "https://github.com/fox-finder/FoxServer#readme",
   "dependencies": {
-    "express": "^4.17.1",
+    "express": "^4.17.3",
     "typescript": "^3.5.3",
     "unix-permissions": "^1.2.0"
   },
diff --git a/yarn.lock b/yarn.lock
index 38c2345..3e46792 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -18,13 +18,6 @@
     esutils "^2.0.2"
     js-tokens "^4.0.0"
 
-"@types/accepts@*":
-  version "1.3.5"
-  resolved "https://registry.npm.taobao.org/@types/accepts/download/@types/accepts-1.3.5.tgz#c34bec115cfc746e04fe5a059df4ce7e7b391575"
-  integrity sha1-w0vsEVz8dG4E/loFnfTOfns5FXU=
-  dependencies:
-    "@types/node" "*"
-
 "@types/body-parser@*":
   version "1.17.1"
   resolved "https://registry.npm.taobao.org/@types/body-parser/download/@types/body-parser-1.17.1.tgz#18fcf61768fb5c30ccc508c21d6fd2e8b3bf7897"
@@ -40,16 +33,6 @@
   dependencies:
     "@types/node" "*"
 
-"@types/cookies@*":
-  version "0.7.2"
-  resolved "https://registry.npm.taobao.org/@types/cookies/download/@types/cookies-0.7.2.tgz#5e0560d46ed9998082dce799af1058dd6a49780a"
-  integrity sha1-XgVg1G7ZmYCC3OeZrxBY3WpJeAo=
-  dependencies:
-    "@types/connect" "*"
-    "@types/express" "*"
-    "@types/keygrip" "*"
-    "@types/node" "*"
-
 "@types/events@*":
   version "3.0.0"
   resolved "https://registry.npm.taobao.org/@types/events/download/@types/events-3.0.0.tgz#2862f3f58a9a7f7c3e78d79f130dd4d71c25c2a7"
@@ -63,7 +46,7 @@
     "@types/node" "*"
     "@types/range-parser" "*"
 
-"@types/express@*", "@types/express@^4.17.1":
+"@types/express@^4.17.1":
   version "4.17.1"
   resolved "https://registry.npm.taobao.org/@types/express/download/@types/express-4.17.1.tgz?cache=0&sync_timestamp=1566176242165&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2F%40types%2Fexpress%2Fdownload%2F%40types%2Fexpress-4.17.1.tgz#4cf7849ae3b47125a567dfee18bfca4254b88c5c"
   integrity sha1-TPeEmuO0cSWlZ9/uGL/KQlS4jFw=
@@ -81,40 +64,11 @@
     "@types/minimatch" "*"
     "@types/node" "*"
 
-"@types/http-assert@*":
-  version "1.5.1"
-  resolved "https://registry.npm.taobao.org/@types/http-assert/download/@types/http-assert-1.5.1.tgz#d775e93630c2469c2f980fc27e3143240335db3b"
-  integrity sha1-13XpNjDCRpwvmA/CfjFDJAM12zs=
-
 "@types/json5@^0.0.29":
   version "0.0.29"
   resolved "https://registry.npm.taobao.org/@types/json5/download/@types/json5-0.0.29.tgz#ee28707ae94e11d2b827bcbe5270bcea7f3e71ee"
   integrity sha1-7ihweulOEdK4J7y+UnC86n8+ce4=
 
-"@types/keygrip@*":
-  version "1.0.1"
-  resolved "https://registry.npm.taobao.org/@types/keygrip/download/@types/keygrip-1.0.1.tgz#ff540462d2fb4d0a88441ceaf27d287b01c3d878"
-  integrity sha1-/1QEYtL7TQqIRBzq8n0oewHD2Hg=
-
-"@types/koa-compose@*":
-  version "3.2.4"
-  resolved "https://registry.npm.taobao.org/@types/koa-compose/download/@types/koa-compose-3.2.4.tgz#76a461634a59c3e13449831708bb9b355fb1548e"
-  integrity sha1-dqRhY0pZw+E0SYMXCLubNV+xVI4=
-  dependencies:
-    "@types/koa" "*"
-
-"@types/koa@*", "@types/koa@^2.0.49":
-  version "2.0.49"
-  resolved "https://registry.npm.taobao.org/@types/koa/download/@types/koa-2.0.49.tgz#8ffc2ddbdd715a2c392a218c67e116cb07007234"
-  integrity sha1-j/wt291xWiw5KiGMZ+EWywcAcjQ=
-  dependencies:
-    "@types/accepts" "*"
-    "@types/cookies" "*"
-    "@types/http-assert" "*"
-    "@types/keygrip" "*"
-    "@types/koa-compose" "*"
-    "@types/node" "*"
-
 "@types/mime@*":
   version "2.0.1"
   resolved "https://registry.npm.taobao.org/@types/mime/download/@types/mime-2.0.1.tgz#dc488842312a7f075149312905b5e3c0b054c79d"
@@ -156,13 +110,13 @@ abbrev@1:
   resolved "https://registry.npm.taobao.org/abbrev/download/abbrev-1.1.1.tgz#f8f2c887ad10bf67f634f005b6987fed3179aac8"
   integrity sha1-+PLIh60Qv2f2NPAFtph/7TF5qsg=
 
-accepts@^1.3.5, accepts@~1.3.7:
-  version "1.3.7"
-  resolved "https://registry.npm.taobao.org/accepts/download/accepts-1.3.7.tgz#531bc726517a3b2b41f850021c6cc15eaab507cd"
-  integrity sha1-UxvHJlF6OytB+FACHGzBXqq1B80=
+accepts@~1.3.8:
+  version "1.3.8"
+  resolved "https://registry.yarnpkg.com/accepts/-/accepts-1.3.8.tgz#0bf0be125b67014adcb0b0921e62db7bffe16b2e"
+  integrity sha512-PYAthTa2m2VKxuvSD3DPC/Gy+U+sOA1LAuT8mkmRuvw+NACSaeXEQ+NHcVF7rONl6qcaxV3Uuemwawk+7+SJLw==
   dependencies:
-    mime-types "~2.1.24"
-    negotiator "0.6.2"
+    mime-types "~2.1.34"
+    negotiator "0.6.3"
 
 ansi-align@^2.0.0:
   version "2.0.0"
@@ -193,11 +147,6 @@ ansi-styles@^3.2.0, ansi-styles@^3.2.1:
   dependencies:
     color-convert "^1.9.0"
 
-any-promise@^1.1.0:
-  version "1.3.0"
-  resolved "https://registry.npm.taobao.org/any-promise/download/any-promise-1.3.0.tgz#abc6afeedcea52e809cdc0376aed3ce39635d17f"
-  integrity sha1-q8av7tzqUugJzcA3au0845Y10X8=
-
 anymatch@^2.0.0:
   version "2.0.0"
   resolved "https://registry.npm.taobao.org/anymatch/download/anymatch-2.0.0.tgz#bcb24b4f37934d9aa7ac17b4adaf89e7c76ef2eb"
@@ -299,21 +248,21 @@ binary-extensions@^1.0.0:
   resolved "https://registry.npm.taobao.org/binary-extensions/download/binary-extensions-1.13.1.tgz#598afe54755b2868a5330d2aff9d4ebb53209b65"
   integrity sha1-WYr+VHVbKGilMw0q/51Ou1Mgm2U=
 
-body-parser@1.19.0:
-  version "1.19.0"
-  resolved "https://registry.npm.taobao.org/body-parser/download/body-parser-1.19.0.tgz?cache=0&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fbody-parser%2Fdownload%2Fbody-parser-1.19.0.tgz#96b2709e57c9c4e09a6fd66a8fd979844f69f08a"
-  integrity sha1-lrJwnlfJxOCab9Zqj9l5hE9p8Io=
+body-parser@1.19.2:
+  version "1.19.2"
+  resolved "https://registry.yarnpkg.com/body-parser/-/body-parser-1.19.2.tgz#4714ccd9c157d44797b8b5607d72c0b89952f26e"
+  integrity sha512-SAAwOxgoCKMGs9uUAUFHygfLAyaniaoun6I8mFY9pRAJL9+Kec34aU+oIjDhTycub1jozEfEwx1W1IuOYxVSFw==
   dependencies:
-    bytes "3.1.0"
+    bytes "3.1.2"
     content-type "~1.0.4"
     debug "2.6.9"
     depd "~1.1.2"
-    http-errors "1.7.2"
+    http-errors "1.8.1"
     iconv-lite "0.4.24"
     on-finished "~2.3.0"
-    qs "6.7.0"
-    raw-body "2.4.0"
-    type-is "~1.6.17"
+    qs "6.9.7"
+    raw-body "2.4.3"
+    type-is "~1.6.18"
 
 boxen@^1.2.1:
   version "1.3.0"
@@ -369,10 +318,10 @@ builtin-modules@^1.1.1:
   resolved "https://registry.npm.taobao.org/builtin-modules/download/builtin-modules-1.1.1.tgz#270f076c5a72c02f5b65a47df94c5fe3a278892f"
   integrity sha1-Jw8HbFpywC9bZaR9+Uxf46J4iS8=
 
-bytes@3.1.0:
-  version "3.1.0"
-  resolved "https://registry.npm.taobao.org/bytes/download/bytes-3.1.0.tgz#f6cf7933a360e0588fa9fde85651cdc7f805d1f6"
-  integrity sha1-9s95M6Ng4FiPqf3oVlHNx/gF0fY=
+bytes@3.1.2:
+  version "3.1.2"
+  resolved "https://registry.yarnpkg.com/bytes/-/bytes-3.1.2.tgz#8b0beeb98605adf1b128fa4386403c009e0221a5"
+  integrity sha512-/Nf7TyzTx6S3yRJObOAV7956r8cr2+Oj8AC5dt8wSP3BQAoeX58NoHyCU8P8zGkNXStjTSi6fzO6F0pBdcYbEg==
 
 cache-base@^1.0.1:
   version "1.0.1"
@@ -389,14 +338,6 @@ cache-base@^1.0.1:
     union-value "^1.0.0"
     unset-value "^1.0.0"
 
-cache-content-type@^1.0.0:
-  version "1.0.1"
-  resolved "https://registry.npm.taobao.org/cache-content-type/download/cache-content-type-1.0.1.tgz#035cde2b08ee2129f4a8315ea8f00a00dba1453c"
-  integrity sha1-A1zeKwjuISn0qDFeqPAKANuhRTw=
-  dependencies:
-    mime-types "^2.1.18"
-    ylru "^1.2.0"
-
 camelcase@^4.0.0:
   version "4.1.0"
   resolved "https://registry.npm.taobao.org/camelcase/download/camelcase-4.1.0.tgz#d545635be1e33c542649c69173e5de6acfae34dd"
@@ -474,11 +415,6 @@ cliui@^5.0.0:
     strip-ansi "^5.2.0"
     wrap-ansi "^5.1.0"
 
-co@^4.6.0:
-  version "4.6.0"
-  resolved "https://registry.npm.taobao.org/co/download/co-4.6.0.tgz#6ea6bdf3d853ae54ccb8e47bfa0bf3f9031fb184"
-  integrity sha1-bqa989hTrlTMuOR7+gvz+QMfsYQ=
-
 code-point-at@^1.0.0:
   version "1.1.0"
   resolved "https://registry.npm.taobao.org/code-point-at/download/code-point-at-1.1.0.tgz#0d070b4d043a5bea33a2f1a40e2edb3d9a4ccf77"
@@ -536,14 +472,14 @@ console-control-strings@^1.0.0, console-control-strings@~1.1.0:
   resolved "https://registry.npm.taobao.org/console-control-strings/download/console-control-strings-1.1.0.tgz#3d7cf4464db6446ea644bf4b39507f9851008e8e"
   integrity sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4=
 
-content-disposition@0.5.3, content-disposition@~0.5.2:
-  version "0.5.3"
-  resolved "https://registry.npm.taobao.org/content-disposition/download/content-disposition-0.5.3.tgz#e130caf7e7279087c5616c2007d0485698984fbd"
-  integrity sha1-4TDK9+cnkIfFYWwgB9BIVpiYT70=
+content-disposition@0.5.4:
+  version "0.5.4"
+  resolved "https://registry.yarnpkg.com/content-disposition/-/content-disposition-0.5.4.tgz#8b82b4efac82512a02bb0b1dcec9d2c5e8eb5bfe"
+  integrity sha512-FveZTNuGw04cxlAiWbzi6zTAL/lhehaWbTtgluJh4/E95DqMwTmha3KZN1aAWA8cFIhHzMZUvLevkw5Rqk+tSQ==
   dependencies:
-    safe-buffer "5.1.2"
+    safe-buffer "5.2.1"
 
-content-type@^1.0.4, content-type@~1.0.4:
+content-type@~1.0.4:
   version "1.0.4"
   resolved "https://registry.npm.taobao.org/content-type/download/content-type-1.0.4.tgz#e138cc75e040c727b1966fe5e5f8c9aee256fe3b"
   integrity sha1-4TjMdeBAxyexlm/l5fjJruJW/js=
@@ -553,18 +489,10 @@ cookie-signature@1.0.6:
   resolved "https://registry.npm.taobao.org/cookie-signature/download/cookie-signature-1.0.6.tgz#e303a882b342cc3ee8ca513a79999734dab3ae2c"
   integrity sha1-4wOogrNCzD7oylE6eZmXNNqzriw=
 
-cookie@0.4.0:
-  version "0.4.0"
-  resolved "https://registry.npm.taobao.org/cookie/download/cookie-0.4.0.tgz?cache=0&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fcookie%2Fdownload%2Fcookie-0.4.0.tgz#beb437e7022b3b6d49019d088665303ebe9c14ba"
-  integrity sha1-vrQ35wIrO21JAZ0IhmUwPr6cFLo=
-
-cookies@~0.7.1:
-  version "0.7.3"
-  resolved "https://registry.npm.taobao.org/cookies/download/cookies-0.7.3.tgz#7912ce21fbf2e8c2da70cf1c3f351aecf59dadfa"
-  integrity sha1-eRLOIfvy6MLacM8cPzUa7PWdrfo=
-  dependencies:
-    depd "~1.1.2"
-    keygrip "~1.0.3"
+cookie@0.4.2:
+  version "0.4.2"
+  resolved "https://registry.yarnpkg.com/cookie/-/cookie-0.4.2.tgz#0e41f24de5ecf317947c82fc789e06a884824432"
+  integrity sha512-aSWTXFzaKWkvHO1Ny/s+ePFpvKsPnjc551iI41v3ny/ow6tBG5Vd+FuqGNhh1LxOmVzOlGUriIlOaokOvhaStA==
 
 copy-descriptor@^0.1.0:
   version "0.1.1"
@@ -616,13 +544,6 @@ debug@^3.1.0, debug@^3.2.6:
   dependencies:
     ms "^2.1.1"
 
-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"
-
 decamelize@^1.2.0:
   version "1.2.0"
   resolved "https://registry.npm.taobao.org/decamelize/download/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
@@ -633,11 +554,6 @@ decode-uri-component@^0.2.0:
   resolved "https://registry.npm.taobao.org/decode-uri-component/download/decode-uri-component-0.2.0.tgz#eb3913333458775cb84cd1a1fae062106bb87545"
   integrity sha1-6zkTMzRYd1y4TNGh+uBiEGu4dUU=
 
-deep-equal@~1.0.1:
-  version "1.0.1"
-  resolved "https://registry.npm.taobao.org/deep-equal/download/deep-equal-1.0.1.tgz#f5d260292b660e084eff4cdbc9f08ad3247448b5"
-  integrity sha1-9dJgKStmDghO/0zbyfCK0yR0SLU=
-
 deep-extend@^0.6.0:
   version "0.6.0"
   resolved "https://registry.npm.taobao.org/deep-extend/download/deep-extend-0.6.0.tgz#c4fa7c95404a17a9c3e8ca7e1537312b736330ac"
@@ -675,12 +591,12 @@ delegates@^1.0.0:
   resolved "https://registry.npm.taobao.org/delegates/download/delegates-1.0.0.tgz?cache=0&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fdelegates%2Fdownload%2Fdelegates-1.0.0.tgz#84c6e159b81904fdca59a0ef44cd870d31250f9a"
   integrity sha1-hMbhWbgZBP3KWaDvRM2HDTElD5o=
 
-depd@^1.1.2, depd@~1.1.2:
+depd@~1.1.2:
   version "1.1.2"
   resolved "https://registry.npm.taobao.org/depd/download/depd-1.1.2.tgz#9bcd52e14c097763e749b274c4346ed2e560b5a9"
   integrity sha1-m81S4UwJd2PnSbJ0xDRu0uVgtak=
 
-destroy@^1.0.4, destroy@~1.0.4:
+destroy@~1.0.4:
   version "1.0.4"
   resolved "https://registry.npm.taobao.org/destroy/download/destroy-1.0.4.tgz#978857442c44749e4206613e37946205826abd80"
   integrity sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA=
@@ -748,12 +664,7 @@ errno@^0.1.3:
   dependencies:
     prr "~1.0.1"
 
-error-inject@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.npm.taobao.org/error-inject/download/error-inject-1.0.0.tgz#e2b3d91b54aed672f309d950d154850fa11d4f37"
-  integrity sha1-4rPZG1Su1nLzCdlQ0VSFD6EdTzc=
-
-escape-html@^1.0.3, escape-html@~1.0.3:
+escape-html@~1.0.3:
   version "1.0.3"
   resolved "https://registry.npm.taobao.org/escape-html/download/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"
   integrity sha1-Aljq5NPQwJdN4cFpGI7wBR0dGYg=
@@ -804,17 +715,17 @@ expand-brackets@^2.1.4:
     snapdragon "^0.8.1"
     to-regex "^3.0.1"
 
-express@^4.17.1:
-  version "4.17.1"
-  resolved "https://registry.npm.taobao.org/express/download/express-4.17.1.tgz#4491fc38605cf51f8629d39c2b5d026f98a4c134"
-  integrity sha1-RJH8OGBc9R+GKdOcK10Cb5ikwTQ=
+express@^4.17.3:
+  version "4.17.3"
+  resolved "https://registry.yarnpkg.com/express/-/express-4.17.3.tgz#f6c7302194a4fb54271b73a1fe7a06478c8f85a1"
+  integrity sha512-yuSQpz5I+Ch7gFrPCk4/c+dIBKlQUxtgwqzph132bsT6qhuzss6I8cLJQz7B3rFblzd6wtcI0ZbGltH/C4LjUg==
   dependencies:
-    accepts "~1.3.7"
+    accepts "~1.3.8"
     array-flatten "1.1.1"
-    body-parser "1.19.0"
-    content-disposition "0.5.3"
+    body-parser "1.19.2"
+    content-disposition "0.5.4"
     content-type "~1.0.4"
-    cookie "0.4.0"
+    cookie "0.4.2"
     cookie-signature "1.0.6"
     debug "2.6.9"
     depd "~1.1.2"
@@ -828,13 +739,13 @@ express@^4.17.1:
     on-finished "~2.3.0"
     parseurl "~1.3.3"
     path-to-regexp "0.1.7"
-    proxy-addr "~2.0.5"
-    qs "6.7.0"
+    proxy-addr "~2.0.7"
+    qs "6.9.7"
     range-parser "~1.2.1"
-    safe-buffer "5.1.2"
-    send "0.17.1"
-    serve-static "1.14.1"
-    setprototypeof "1.1.1"
+    safe-buffer "5.2.1"
+    send "0.17.2"
+    serve-static "1.14.2"
+    setprototypeof "1.2.0"
     statuses "~1.5.0"
     type-is "~1.6.18"
     utils-merge "1.0.1"
@@ -921,10 +832,10 @@ for-in@^1.0.2:
   resolved "https://registry.npm.taobao.org/for-in/download/for-in-1.0.2.tgz#81068d295a8142ec0ac726c6e2200c30fb6d5e80"
   integrity sha1-gQaNKVqBQuwKxybG4iAMMPttXoA=
 
-forwarded@~0.1.2:
-  version "0.1.2"
-  resolved "https://registry.npm.taobao.org/forwarded/download/forwarded-0.1.2.tgz#98c23dab1175657b8c0573e8ceccd91b0ff18c84"
-  integrity sha1-mMI9qxF1ZXuMBXPozszZGw/xjIQ=
+forwarded@0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/forwarded/-/forwarded-0.2.0.tgz#2269936428aad4c15c7ebe9779a84bf0b2a81811"
+  integrity sha512-buRG0fpBtRHSTCOASe6hD258tEubFoRLb4ZNA6NxMVHNw2gOcwHo9wyablzMzOA5z9xA9L1KNjk/Nt6MT9aYow==
 
 fragment-cache@^0.2.1:
   version "0.2.1"
@@ -933,7 +844,7 @@ fragment-cache@^0.2.1:
   dependencies:
     map-cache "^0.2.2"
 
-fresh@0.5.2, fresh@~0.5.2:
+fresh@0.5.2:
   version "0.5.2"
   resolved "https://registry.npm.taobao.org/fresh/download/fresh-0.5.2.tgz#3d8cadd90d976569fa835ab1f8e4b23a105605a7"
   integrity sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac=
@@ -1077,35 +988,16 @@ has-values@^1.0.0:
     is-number "^3.0.0"
     kind-of "^4.0.0"
 
-http-assert@^1.3.0:
-  version "1.4.1"
-  resolved "https://registry.npm.taobao.org/http-assert/download/http-assert-1.4.1.tgz#c5f725d677aa7e873ef736199b89686cceb37878"
-  integrity sha1-xfcl1neqfoc+9zYZm4lobM6zeHg=
-  dependencies:
-    deep-equal "~1.0.1"
-    http-errors "~1.7.2"
-
-http-errors@1.7.2:
-  version "1.7.2"
-  resolved "https://registry.npm.taobao.org/http-errors/download/http-errors-1.7.2.tgz?cache=0&sync_timestamp=1561418493658&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fhttp-errors%2Fdownload%2Fhttp-errors-1.7.2.tgz#4f5029cf13239f31036e5b2e55292bcfbcc85c8f"
-  integrity sha1-T1ApzxMjnzEDblsuVSkrz7zIXI8=
-  dependencies:
-    depd "~1.1.2"
-    inherits "2.0.3"
-    setprototypeof "1.1.1"
-    statuses ">= 1.5.0 < 2"
-    toidentifier "1.0.0"
-
-http-errors@^1.6.3, http-errors@~1.7.2:
-  version "1.7.3"
-  resolved "https://registry.npm.taobao.org/http-errors/download/http-errors-1.7.3.tgz?cache=0&sync_timestamp=1561418493658&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fhttp-errors%2Fdownload%2Fhttp-errors-1.7.3.tgz#6c619e4f9c60308c38519498c14fbb10aacebb06"
-  integrity sha1-bGGeT5xgMIw4UZSYwU+7EKrOuwY=
+http-errors@1.8.1:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/http-errors/-/http-errors-1.8.1.tgz#7c3f28577cbc8a207388455dbd62295ed07bd68c"
+  integrity sha512-Kpk9Sm7NmI+RHhnj6OIWDI1d6fIoFAtFt9RLaTMRlg/8w49juAStsrBgp0Dp4OdxdVbRIeKhtCUvoi/RuAhO4g==
   dependencies:
     depd "~1.1.2"
     inherits "2.0.4"
-    setprototypeof "1.1.1"
+    setprototypeof "1.2.0"
     statuses ">= 1.5.0 < 2"
-    toidentifier "1.0.0"
+    toidentifier "1.0.1"
 
 iconv-lite@0.4.24, iconv-lite@^0.4.4:
   version "0.4.24"
@@ -1149,20 +1041,15 @@ inherits@2, inherits@2.0.4, inherits@^2.0.3, inherits@~2.0.3:
   resolved "https://registry.npm.taobao.org/inherits/download/inherits-2.0.4.tgz?cache=0&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Finherits%2Fdownload%2Finherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
   integrity sha1-D6LGT5MpF8NDOg3tVTY6rjdBa3w=
 
-inherits@2.0.3:
-  version "2.0.3"
-  resolved "https://registry.npm.taobao.org/inherits/download/inherits-2.0.3.tgz?cache=0&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Finherits%2Fdownload%2Finherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
-  integrity sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=
-
 ini@^1.3.4, ini@~1.3.0:
   version "1.3.5"
   resolved "https://registry.npm.taobao.org/ini/download/ini-1.3.5.tgz#eee25f56db1c9ec6085e0c22778083f596abf927"
   integrity sha1-7uJfVtscnsYIXgwid4CD9Zar+Sc=
 
-ipaddr.js@1.9.0:
-  version "1.9.0"
-  resolved "https://registry.npm.taobao.org/ipaddr.js/download/ipaddr.js-1.9.0.tgz#37df74e430a0e47550fe54a2defe30d8acd95f65"
-  integrity sha1-N9905DCg5HVQ/lSi3v4w2KzZX2U=
+ipaddr.js@1.9.1:
+  version "1.9.1"
+  resolved "https://registry.yarnpkg.com/ipaddr.js/-/ipaddr.js-1.9.1.tgz#bff38543eeb8984825079ff3a2a8e6cbd46781b3"
+  integrity sha512-0KI/607xoxSToH7GjN1FfSbLoU0+btTicjsQSWQlh/hZykN8KpmMf7uYwPW3R+akZ6R/w18ZlXSHBYXiYUPO3g==
 
 is-accessor-descriptor@^0.1.6:
   version "0.1.6"
@@ -1258,11 +1145,6 @@ is-fullwidth-code-point@^2.0.0:
   resolved "https://registry.npm.taobao.org/is-fullwidth-code-point/download/is-fullwidth-code-point-2.0.0.tgz#a3b30a5c4f199183167aaab93beefae3ddfb654f"
   integrity sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=
 
-is-generator-function@^1.0.7:
-  version "1.0.7"
-  resolved "https://registry.npm.taobao.org/is-generator-function/download/is-generator-function-1.0.7.tgz#d2132e529bb0000a7f80794d4bdf5cd5e5813522"
-  integrity sha1-0hMuUpuwAAp/gHlNS99c1eWBNSI=
-
 is-glob@^3.1.0:
   version "3.1.0"
   resolved "https://registry.npm.taobao.org/is-glob/download/is-glob-3.1.0.tgz#7ba5ae24217804ac70707b96922567486cc3e84a"
@@ -1391,11 +1273,6 @@ keep-func-props@^1.3.0:
     core-js "^3.0.1"
     mimic-fn "^2.1.0"
 
-keygrip@~1.0.3:
-  version "1.0.3"
-  resolved "https://registry.npm.taobao.org/keygrip/download/keygrip-1.0.3.tgz#399d709f0aed2bab0a059e0cdd3a5023a053e1dc"
-  integrity sha1-OZ1wnwrtK6sKBZ4M3TpQI6BT4dw=
-
 kind-of@^3.0.2, kind-of@^3.0.3, kind-of@^3.2.0:
   version "3.2.2"
   resolved "https://registry.npm.taobao.org/kind-of/download/kind-of-3.2.2.tgz#31ea21a734bab9bbb0f32466d893aea51e4a3c64"
@@ -1420,61 +1297,6 @@ kind-of@^6.0.0, kind-of@^6.0.2:
   resolved "https://registry.npm.taobao.org/kind-of/download/kind-of-6.0.2.tgz#01146b36a6218e64e58f3a8d66de5d7fc6f6d051"
   integrity sha1-ARRrNqYhjmTljzqNZt5df8b20FE=
 
-koa-compose@^3.0.0:
-  version "3.2.1"
-  resolved "https://registry.npm.taobao.org/koa-compose/download/koa-compose-3.2.1.tgz#a85ccb40b7d986d8e5a345b3a1ace8eabcf54de7"
-  integrity sha1-qFzLQLfZhtjlo0Wzoazo6rz1Tec=
-  dependencies:
-    any-promise "^1.1.0"
-
-koa-compose@^4.1.0:
-  version "4.1.0"
-  resolved "https://registry.npm.taobao.org/koa-compose/download/koa-compose-4.1.0.tgz#507306b9371901db41121c812e923d0d67d3e877"
-  integrity sha1-UHMGuTcZAdtBEhyBLpI9DWfT6Hc=
-
-koa-convert@^1.2.0:
-  version "1.2.0"
-  resolved "https://registry.npm.taobao.org/koa-convert/download/koa-convert-1.2.0.tgz#da40875df49de0539098d1700b50820cebcd21d0"
-  integrity sha1-2kCHXfSd4FOQmNFwC1CCDOvNIdA=
-  dependencies:
-    co "^4.6.0"
-    koa-compose "^3.0.0"
-
-koa-is-json@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.npm.taobao.org/koa-is-json/download/koa-is-json-1.0.0.tgz#273c07edcdcb8df6a2c1ab7d59ee76491451ec14"
-  integrity sha1-JzwH7c3Ljfaiwat9We52SRRR7BQ=
-
-koa@^2.8.1:
-  version "2.8.1"
-  resolved "https://registry.npm.taobao.org/koa/download/koa-2.8.1.tgz?cache=0&sync_timestamp=1566189413541&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fkoa%2Fdownload%2Fkoa-2.8.1.tgz#98e13b267ab8a1868f015a4b41b5a52e31457ce5"
-  integrity sha1-mOE7Jnq4oYaPAVpLQbWlLjFFfOU=
-  dependencies:
-    accepts "^1.3.5"
-    cache-content-type "^1.0.0"
-    content-disposition "~0.5.2"
-    content-type "^1.0.4"
-    cookies "~0.7.1"
-    debug "~3.1.0"
-    delegates "^1.0.0"
-    depd "^1.1.2"
-    destroy "^1.0.4"
-    error-inject "^1.0.0"
-    escape-html "^1.0.3"
-    fresh "~0.5.2"
-    http-assert "^1.3.0"
-    http-errors "^1.6.3"
-    is-generator-function "^1.0.7"
-    koa-compose "^4.1.0"
-    koa-convert "^1.2.0"
-    koa-is-json "^1.0.0"
-    on-finished "^2.3.0"
-    only "~0.0.2"
-    parseurl "^1.3.2"
-    statuses "^1.5.0"
-    type-is "^1.6.16"
-    vary "^1.1.2"
-
 latest-version@^3.0.0:
   version "3.1.0"
   resolved "https://registry.npm.taobao.org/latest-version/download/latest-version-3.1.0.tgz#a205383fea322b33b5ae3b18abee0dc2f356ee15"
@@ -1596,13 +1418,25 @@ mime-db@1.40.0:
   resolved "https://registry.npm.taobao.org/mime-db/download/mime-db-1.40.0.tgz#a65057e998db090f732a68f6c276d387d4126c32"
   integrity sha1-plBX6ZjbCQ9zKmj2wnbTh9QSbDI=
 
-mime-types@^2.1.18, mime-types@~2.1.24:
+mime-db@1.52.0:
+  version "1.52.0"
+  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.52.0.tgz#bbabcdc02859f4987301c856e3387ce5ec43bf70"
+  integrity sha512-sPU4uV7dYlvtWJxwwxHD0PuihVNiE7TyAbQ5SWxDCB9mUYvOgroQOwYQQOKPJ8CIbE+1ETVlOoK1UC2nU3gYvg==
+
+mime-types@~2.1.24:
   version "2.1.24"
   resolved "https://registry.npm.taobao.org/mime-types/download/mime-types-2.1.24.tgz#b6f8d0b3e951efb77dedeca194cff6d16f676f81"
   integrity sha1-tvjQs+lR77d97eyhlM/20W9nb4E=
   dependencies:
     mime-db "1.40.0"
 
+mime-types@~2.1.34:
+  version "2.1.35"
+  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.35.tgz#381a871b62a734450660ae3deee44813f70d959a"
+  integrity sha512-ZDY+bPm5zTTF+YpCrAU9nK0UgICYPT0QtT1NZWFv4s++TNkcgVaT0g6+4R2uI4MjQjzysHB1zxuWL50hzaeXiw==
+  dependencies:
+    mime-db "1.52.0"
+
 mime@1.6.0:
   version "1.6.0"
   resolved "https://registry.npm.taobao.org/mime/download/mime-1.6.0.tgz?cache=0&sync_timestamp=1560034758817&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fmime%2Fdownload%2Fmime-1.6.0.tgz#32cd9e5c64553bd58d19a568af452acff04981b1"
@@ -1674,10 +1508,10 @@ ms@2.0.0:
   resolved "https://registry.npm.taobao.org/ms/download/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
   integrity sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=
 
-ms@2.1.1:
-  version "2.1.1"
-  resolved "https://registry.npm.taobao.org/ms/download/ms-2.1.1.tgz#30a5864eb3ebb0a66f2ebe6d727af06a09d86e0a"
-  integrity sha1-MKWGTrPrsKZvLr5tcnrwagnYbgo=
+ms@2.1.3:
+  version "2.1.3"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.3.tgz#574c8138ce1d2b5861f0b44579dbadd60c6615b2"
+  integrity sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==
 
 ms@^2.1.1:
   version "2.1.2"
@@ -1715,10 +1549,10 @@ needle@^2.2.1:
     iconv-lite "^0.4.4"
     sax "^1.2.4"
 
-negotiator@0.6.2:
-  version "0.6.2"
-  resolved "https://registry.npm.taobao.org/negotiator/download/negotiator-0.6.2.tgz#feacf7ccf525a77ae9634436a64883ffeca346fb"
-  integrity sha1-/qz3zPUlp3rpY0Q2pkiD/+yjRvs=
+negotiator@0.6.3:
+  version "0.6.3"
+  resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.3.tgz#58e323a72fedc0d6f9cd4d31fe49f51479590ccd"
+  integrity sha512-+EUsqGPLsM+j/zdChZjsnX51g4XrHFOIXwfnCVPGlQk/k5giakcKsuxCObBRu6DSm9opw/O6slWbJdghQM4bBg==
 
 node-pre-gyp@^0.12.0:
   version "0.12.0"
@@ -1842,7 +1676,7 @@ object.pick@^1.3.0:
   dependencies:
     isobject "^3.0.1"
 
-on-finished@^2.3.0, on-finished@~2.3.0:
+on-finished@~2.3.0:
   version "2.3.0"
   resolved "https://registry.npm.taobao.org/on-finished/download/on-finished-2.3.0.tgz#20f1336481b083cd75337992a16971aa2d906947"
   integrity sha1-IPEzZIGwg811M3mSoWlxqi2QaUc=
@@ -1856,11 +1690,6 @@ once@^1.3.0:
   dependencies:
     wrappy "1"
 
-only@~0.0.2:
-  version "0.0.2"
-  resolved "https://registry.npm.taobao.org/only/download/only-0.0.2.tgz#2afde84d03e50b9a8edc444e30610a70295edfb4"
-  integrity sha1-Kv3oTQPlC5qO3EROMGEKcCle37Q=
-
 os-homedir@^1.0.0:
   version "1.0.2"
   resolved "https://registry.npm.taobao.org/os-homedir/download/os-homedir-1.0.2.tgz#ffbc4988336e0e833de0c168c7ef152121aa7fb3"
@@ -1913,7 +1742,7 @@ package-json@^4.0.0:
     registry-url "^3.0.3"
     semver "^5.1.0"
 
-parseurl@^1.3.2, parseurl@~1.3.3:
+parseurl@~1.3.3:
   version "1.3.3"
   resolved "https://registry.npm.taobao.org/parseurl/download/parseurl-1.3.3.tgz#9da19e7bee8d12dff0513ed5b76957793bc2e8d4"
   integrity sha1-naGee+6NEt/wUT7Vt2lXeTvC6NQ=
@@ -1983,13 +1812,13 @@ process-nextick-args@~2.0.0:
   resolved "https://registry.npm.taobao.org/process-nextick-args/download/process-nextick-args-2.0.1.tgz?cache=0&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fprocess-nextick-args%2Fdownload%2Fprocess-nextick-args-2.0.1.tgz#7820d9b16120cc55ca9ae7792680ae7dba6d7fe2"
   integrity sha1-eCDZsWEgzFXKmud5JoCufbptf+I=
 
-proxy-addr@~2.0.5:
-  version "2.0.5"
-  resolved "https://registry.npm.taobao.org/proxy-addr/download/proxy-addr-2.0.5.tgz#34cbd64a2d81f4b1fd21e76f9f06c8a45299ee34"
-  integrity sha1-NMvWSi2B9LH9IedvnwbIpFKZ7jQ=
+proxy-addr@~2.0.7:
+  version "2.0.7"
+  resolved "https://registry.yarnpkg.com/proxy-addr/-/proxy-addr-2.0.7.tgz#f19fe69ceab311eeb94b42e70e8c2070f9ba1025"
+  integrity sha512-llQsMLSUDUPT44jdrU/O37qlnifitDP+ZwrmmZcoSKyLKvtZxpyV0n2/bD/N4tBAAZ/gJEdZU7KMraoK1+XYAg==
   dependencies:
-    forwarded "~0.1.2"
-    ipaddr.js "1.9.0"
+    forwarded "0.2.0"
+    ipaddr.js "1.9.1"
 
 prr@~1.0.1:
   version "1.0.1"
@@ -2006,23 +1835,23 @@ pstree.remy@^1.1.6:
   resolved "https://registry.npm.taobao.org/pstree.remy/download/pstree.remy-1.1.7.tgz#c76963a28047ed61542dc361aa26ee55a7fa15f3"
   integrity sha1-x2ljooBH7WFULcNhqibuVaf6FfM=
 
-qs@6.7.0:
-  version "6.7.0"
-  resolved "https://registry.npm.taobao.org/qs/download/qs-6.7.0.tgz?cache=0&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fqs%2Fdownload%2Fqs-6.7.0.tgz#41dc1a015e3d581f1621776be31afb2876a9b1bc"
-  integrity sha1-QdwaAV49WB8WIXdr4xr7KHapsbw=
+qs@6.9.7:
+  version "6.9.7"
+  resolved "https://registry.yarnpkg.com/qs/-/qs-6.9.7.tgz#4610846871485e1e048f44ae3b94033f0e675afe"
+  integrity sha512-IhMFgUmuNpyRfxA90umL7ByLlgRXu6tIfKPpF5TmcfRLlLCckfP/g3IQmju6jjpu+Hh8rA+2p6A27ZSPOOHdKw==
 
 range-parser@~1.2.1:
   version "1.2.1"
   resolved "https://registry.npm.taobao.org/range-parser/download/range-parser-1.2.1.tgz#3cf37023d199e1c24d1a55b84800c2f3e6468031"
   integrity sha1-PPNwI9GZ4cJNGlW4SADC8+ZGgDE=
 
-raw-body@2.4.0:
-  version "2.4.0"
-  resolved "https://registry.npm.taobao.org/raw-body/download/raw-body-2.4.0.tgz#a1ce6fb9c9bc356ca52e89256ab59059e13d0332"
-  integrity sha1-oc5vucm8NWylLoklarWQWeE9AzI=
+raw-body@2.4.3:
+  version "2.4.3"
+  resolved "https://registry.yarnpkg.com/raw-body/-/raw-body-2.4.3.tgz#8f80305d11c2a0a545c2d9d89d7a0286fcead43c"
+  integrity sha512-UlTNLIcu0uzb4D2f4WltY6cVjLi+/jEN4lgEUj3E04tpMDpUlkBo/eSn6zou9hum2VMNpCCUone0O0WeJim07g==
   dependencies:
-    bytes "3.1.0"
-    http-errors "1.7.2"
+    bytes "3.1.2"
+    http-errors "1.8.1"
     iconv-lite "0.4.24"
     unpipe "1.0.0"
 
@@ -2130,16 +1959,16 @@ rimraf@^2.6.1:
   dependencies:
     glob "^7.1.3"
 
-safe-buffer@5.1.2, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
+safe-buffer@5.2.1, safe-buffer@^5.0.1, safe-buffer@^5.1.2:
+  version "5.2.1"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.1.tgz#1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6"
+  integrity sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==
+
+safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   version "5.1.2"
   resolved "https://registry.npm.taobao.org/safe-buffer/download/safe-buffer-5.1.2.tgz?cache=0&sync_timestamp=1562377642757&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fsafe-buffer%2Fdownload%2Fsafe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
   integrity sha1-mR7GnSluAxN0fVm9/St0XDX4go0=
 
-safe-buffer@^5.0.1, safe-buffer@^5.1.2:
-  version "5.2.0"
-  resolved "https://registry.npm.taobao.org/safe-buffer/download/safe-buffer-5.2.0.tgz?cache=0&sync_timestamp=1562349888578&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fsafe-buffer%2Fdownload%2Fsafe-buffer-5.2.0.tgz#b74daec49b1148f88c64b68d49b1e815c1f2f519"
-  integrity sha1-t02uxJsRSPiMZLaNSbHoFcHy9Rk=
-
 safe-regex@^1.1.0:
   version "1.1.0"
   resolved "https://registry.npm.taobao.org/safe-regex/download/safe-regex-1.1.0.tgz#40a3669f3b077d1e943d44629e157dd48023bf2e"
@@ -2174,10 +2003,10 @@ semver@^6.0.0:
   resolved "https://registry.npm.taobao.org/semver/download/semver-6.3.0.tgz?cache=0&sync_timestamp=1565627380363&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fsemver%2Fdownload%2Fsemver-6.3.0.tgz#ee0a64c8af5e8ceea67687b133761e1becbd1d3d"
   integrity sha1-7gpkyK9ejO6mdoexM3YeG+y9HT0=
 
-send@0.17.1:
-  version "0.17.1"
-  resolved "https://registry.npm.taobao.org/send/download/send-0.17.1.tgz#c1d8b059f7900f7466dd4938bdc44e11ddb376c8"
-  integrity sha1-wdiwWfeQD3Rm3Uk4vcROEd2zdsg=
+send@0.17.2:
+  version "0.17.2"
+  resolved "https://registry.yarnpkg.com/send/-/send-0.17.2.tgz#926622f76601c41808012c8bf1688fe3906f7820"
+  integrity sha512-UJYB6wFSJE3G00nEivR5rgWp8c2xXvJ3OPWPhmuteU0IKj8nKbG3DrjiOmLwpnHGYWAVwA69zmTm++YG0Hmwww==
   dependencies:
     debug "2.6.9"
     depd "~1.1.2"
@@ -2186,22 +2015,22 @@ send@0.17.1:
     escape-html "~1.0.3"
     etag "~1.8.1"
     fresh "0.5.2"
-    http-errors "~1.7.2"
+    http-errors "1.8.1"
     mime "1.6.0"
-    ms "2.1.1"
+    ms "2.1.3"
     on-finished "~2.3.0"
     range-parser "~1.2.1"
     statuses "~1.5.0"
 
-serve-static@1.14.1:
-  version "1.14.1"
-  resolved "https://registry.npm.taobao.org/serve-static/download/serve-static-1.14.1.tgz#666e636dc4f010f7ef29970a88a674320898b2f9"
-  integrity sha1-Zm5jbcTwEPfvKZcKiKZ0MgiYsvk=
+serve-static@1.14.2:
+  version "1.14.2"
+  resolved "https://registry.yarnpkg.com/serve-static/-/serve-static-1.14.2.tgz#722d6294b1d62626d41b43a013ece4598d292bfa"
+  integrity sha512-+TMNA9AFxUEGuC0z2mevogSnn9MXKb4fa7ngeRMJaaGv8vTwnIEkKi+QGvPt33HSnf8pRS+WGM0EbMtCJLKMBQ==
   dependencies:
     encodeurl "~1.0.2"
     escape-html "~1.0.3"
     parseurl "~1.3.3"
-    send "0.17.1"
+    send "0.17.2"
 
 set-blocking@^2.0.0, set-blocking@~2.0.0:
   version "2.0.0"
@@ -2218,10 +2047,10 @@ set-value@^2.0.0, set-value@^2.0.1:
     is-plain-object "^2.0.3"
     split-string "^3.0.1"
 
-setprototypeof@1.1.1:
-  version "1.1.1"
-  resolved "https://registry.npm.taobao.org/setprototypeof/download/setprototypeof-1.1.1.tgz#7e95acb24aa92f5885e0abef5ba131330d4ae683"
-  integrity sha1-fpWsskqpL1iF4KvvW6ExMw1K5oM=
+setprototypeof@1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/setprototypeof/-/setprototypeof-1.2.0.tgz#66c9a24a73f9fc28cbe66b09fed3d33dcaf1b424"
+  integrity sha512-E5LDX7Wrp85Kil5bhZv46j8jOeboKq5JMmYM3gVGdGH8xFpPWXUMsNrlODCrkoxMEeNi/XZIwuRvY4XNwYMJpw==
 
 shebang-command@^1.2.0:
   version "1.2.0"
@@ -2324,7 +2153,7 @@ static-extend@^0.1.1:
     define-property "^0.2.5"
     object-copy "^0.1.0"
 
-"statuses@>= 1.5.0 < 2", statuses@^1.5.0, statuses@~1.5.0:
+"statuses@>= 1.5.0 < 2", statuses@~1.5.0:
   version "1.5.0"
   resolved "https://registry.npm.taobao.org/statuses/download/statuses-1.5.0.tgz#161c7dac177659fd9811f43771fa99381478628c"
   integrity sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow=
@@ -2467,10 +2296,10 @@ to-regex@^3.0.1, to-regex@^3.0.2:
     regex-not "^1.0.2"
     safe-regex "^1.1.0"
 
-toidentifier@1.0.0:
-  version "1.0.0"
-  resolved "https://registry.npm.taobao.org/toidentifier/download/toidentifier-1.0.0.tgz#7e1be3470f1e77948bc43d94a3c8f4d7752ba553"
-  integrity sha1-fhvjRw8ed5SLxD2Uo8j013UrpVM=
+toidentifier@1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/toidentifier/-/toidentifier-1.0.1.tgz#3be34321a88a820ed1bd80dfaa33e479fbb8dd35"
+  integrity sha512-o5sSPKEkg/DIQNmH43V0/uerLrpzVedkUh8tGNvaeXpfpuwjKenlSox/2O/BTlZUtEe+JG7s5YhEz608PlAHRA==
 
 touch@^3.1.0:
   version "3.1.0"
@@ -2543,7 +2372,7 @@ tsutils@^2.29.0:
   dependencies:
     tslib "^1.8.1"
 
-type-is@^1.6.16, type-is@~1.6.17, type-is@~1.6.18:
+type-is@~1.6.18:
   version "1.6.18"
   resolved "https://registry.npm.taobao.org/type-is/download/type-is-1.6.18.tgz#4e552cd05df09467dcbc4ef739de89f2cf37c131"
   integrity sha1-TlUs0F3wlGfcvE73Od6J8s83wTE=
@@ -2656,7 +2485,7 @@ utils-merge@1.0.1:
   resolved "https://registry.npm.taobao.org/utils-merge/download/utils-merge-1.0.1.tgz#9f95710f50a267947b2ccc124741c1028427e713"
   integrity sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM=
 
-vary@^1.1.2, vary@~1.1.2:
+vary@~1.1.2:
   version "1.1.2"
   resolved "https://registry.npm.taobao.org/vary/download/vary-1.1.2.tgz#2299f02c6ded30d4a5961b0b9f74524a18f634fc"
   integrity sha1-IpnwLG3tMNSllhsLn3RSShj2NPw=
@@ -2754,11 +2583,6 @@ yargs@^13.2.2:
     y18n "^4.0.0"
     yargs-parser "^13.1.1"
 
-ylru@^1.2.0:
-  version "1.2.1"
-  resolved "https://registry.npm.taobao.org/ylru/download/ylru-1.2.1.tgz#f576b63341547989c1de7ba288760923b27fe84f"
-  integrity sha1-9Xa2M0FUeYnB3nuiiHYJI7J/6E8=
-
 yn@^3.0.0:
   version "3.1.1"
   resolved "https://registry.npm.taobao.org/yn/download/yn-3.1.1.tgz#1e87401a09d767c1d5eab26a6e4c185182d2eb50"