diff --git a/RNViewPagerDemo/yarn.lock b/RNViewPagerDemo/yarn.lock
index da00a304..4784a48d 100644
--- a/RNViewPagerDemo/yarn.lock
+++ b/RNViewPagerDemo/yarn.lock
@@ -185,17 +185,7 @@ assert-plus@^0.2.0:
   version "0.2.0"
   resolved "http://registry.npm.taobao.org/assert-plus/download/assert-plus-0.2.0.tgz#d74e1b87e7affc0db8aadb7021f3fe48101ab234"
 
-async@^1.4.0:
-  version "1.5.2"
-  resolved "http://registry.npm.taobao.org/async/download/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
-
-async@^2.1.4:
-  version "2.2.0"
-  resolved "http://registry.npm.taobao.org/async/download/async-2.2.0.tgz#c324eba010a237e4fbd55a12dee86367d5c0ef32"
-  dependencies:
-    lodash "^4.14.0"
-
-async@^2.4.0:
+async@^2.1.4, async@^2.4.0:
   version "2.5.0"
   resolved "http://registry.npm.taobao.org/async/download/async-2.5.0.tgz#843190fd6b7357a0b9e1c956edddd5ec8462b54d"
   dependencies:
@@ -1246,6 +1236,10 @@ commander@^2.9.0:
   dependencies:
     graceful-readlink ">= 1.0.0"
 
+commander@~2.20.3:
+  version "2.20.3"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
+
 compressible@~2.0.5:
   version "2.0.10"
   resolved "http://registry.npm.taobao.org/compressible/download/compressible-2.0.10.tgz#feda1c7f7617912732b29bf8cf26252a20b9eecd"
@@ -1963,14 +1957,14 @@ gulplog@^1.0.0:
     glogg "^1.0.0"
 
 handlebars@^4.0.3:
-  version "4.0.6"
-  resolved "http://registry.npm.taobao.org/handlebars/download/handlebars-4.0.6.tgz#2ce4484850537f9c97a8026d5399b935c4ed4ed7"
+  version "4.5.3"
+  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.5.3.tgz#5cf75bd8714f7605713511a56be7c349becb0482"
   dependencies:
-    async "^1.4.0"
+    neo-async "^2.6.0"
     optimist "^0.6.1"
-    source-map "^0.4.4"
+    source-map "^0.6.1"
   optionalDependencies:
-    uglify-js "^2.6"
+    uglify-js "^3.1.4"
 
 har-schema@^1.0.5:
   version "1.0.5"
@@ -2958,7 +2952,7 @@ minimatch@^3.0.4:
   dependencies:
     brace-expansion "^1.1.7"
 
-minimist@0.0.8, minimist@~0.0.1:
+minimist@0.0.8:
   version "0.0.8"
   resolved "http://registry.npm.taobao.org/minimist/download/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
 
@@ -2966,6 +2960,10 @@ minimist@^1.1.0, minimist@^1.1.1, minimist@^1.2.0:
   version "1.2.0"
   resolved "http://registry.npm.taobao.org/minimist/download/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
 
+minimist@~0.0.1:
+  version "0.0.10"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
+
 "mkdirp@>=0.5 0", mkdirp@^0.5.1:
   version "0.5.1"
   resolved "http://registry.npm.taobao.org/mkdirp/download/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
@@ -3027,6 +3025,10 @@ negotiator@0.6.1:
   version "0.6.1"
   resolved "http://registry.npm.taobao.org/negotiator/download/negotiator-0.6.1.tgz#2b327184e8992101177b28563fb5e7102acd0ca9"
 
+neo-async@^2.6.0:
+  version "2.6.1"
+  resolved "https://registry.yarnpkg.com/neo-async/-/neo-async-2.6.1.tgz#ac27ada66167fa8849a6addd837f6b189ad2081c"
+
 node-fetch@^1.0.1, node-fetch@^1.3.3:
   version "1.6.3"
   resolved "http://registry.npm.taobao.org/node-fetch/download/node-fetch-1.6.3.tgz#dc234edd6489982d58e8f0db4f695029abcd8c04"
@@ -3158,7 +3160,7 @@ opn@^3.0.2:
 
 optimist@^0.6.1:
   version "0.6.1"
-  resolved "http://registry.npm.taobao.org/optimist/download/optimist-0.6.1.tgz#da3ea74686fa21a19a111c326e90eb15a0196686"
+  resolved "https://registry.yarnpkg.com/optimist/-/optimist-0.6.1.tgz#da3ea74686fa21a19a111c326e90eb15a0196686"
   dependencies:
     minimist "~0.0.1"
     wordwrap "~0.0.2"
@@ -3946,16 +3948,14 @@ source-map-support@^0.4.2:
   dependencies:
     source-map "^0.5.6"
 
-source-map@^0.4.4:
-  version "0.4.4"
-  resolved "http://registry.npm.taobao.org/source-map/download/source-map-0.4.4.tgz#eba4f5da9c0dc999de68032d8b4f76173652036b"
-  dependencies:
-    amdefine ">=0.0.4"
-
 source-map@^0.5.0, source-map@^0.5.3, source-map@^0.5.6, source-map@~0.5.1:
   version "0.5.6"
   resolved "http://registry.npm.taobao.org/source-map/download/source-map-0.5.6.tgz#75ce38f52bf0733c5a7f0c118d81334a2bb5f412"
 
+source-map@^0.6.1, source-map@~0.6.1:
+  version "0.6.1"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
+
 source-map@~0.2.0:
   version "0.2.0"
   resolved "http://registry.npm.taobao.org/source-map/download/source-map-0.2.0.tgz#dab73fbcfc2ba819b4de03bd6f6eaa48164b3f9d"
@@ -4239,14 +4239,12 @@ uglify-js@2.7.5:
     uglify-to-browserify "~1.0.0"
     yargs "~3.10.0"
 
-uglify-js@^2.6:
-  version "2.8.18"
-  resolved "http://registry.npm.taobao.org/uglify-js/download/uglify-js-2.8.18.tgz#925d14bae48ab62d1883b41afe6e2261662adb8e"
+uglify-js@^3.1.4:
+  version "3.7.3"
+  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.7.3.tgz#f918fce9182f466d5140f24bb0ff35c2d32dcc6a"
   dependencies:
-    source-map "~0.5.1"
-    yargs "~3.10.0"
-  optionalDependencies:
-    uglify-to-browserify "~1.0.0"
+    commander "~2.20.3"
+    source-map "~0.6.1"
 
 uglify-to-browserify@~1.0.0:
   version "1.0.2"
@@ -4409,7 +4407,7 @@ wordwrap@^1.0.0, wordwrap@~1.0.0:
 
 wordwrap@~0.0.2:
   version "0.0.3"
-  resolved "http://registry.npm.taobao.org/wordwrap/download/wordwrap-0.0.3.tgz#a3d5da6cd5c0bc0008d37234bbaf1bed63059107"
+  resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-0.0.3.tgz#a3d5da6cd5c0bc0008d37234bbaf1bed63059107"
 
 worker-farm@^1.3.1:
   version "1.3.1"