diff --git a/RNViewPagerDemo/yarn.lock b/RNViewPagerDemo/yarn.lock
index da00a304..a25addcf 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:
@@ -1963,14 +1953,15 @@ 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 "4.7.6"
+  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.7.6.tgz#d4c05c1baf90e9945f77aa68a7a219aa4a7df74e"
   dependencies:
-    async "^1.4.0"
-    optimist "^0.6.1"
-    source-map "^0.4.4"
+    minimist "^1.2.5"
+    neo-async "^2.6.0"
+    source-map "^0.6.1"
+    wordwrap "^1.0.0"
   optionalDependencies:
-    uglify-js "^2.6"
+    uglify-js "^3.1.4"
 
 har-schema@^1.0.5:
   version "1.0.5"
@@ -2962,9 +2953,9 @@ minimist@0.0.8, minimist@~0.0.1:
   version "0.0.8"
   resolved "http://registry.npm.taobao.org/minimist/download/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
 
-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@^1.1.0, minimist@^1.1.1, minimist@^1.2.0, minimist@^1.2.5:
+  version "1.2.5"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.5.tgz#67d66014b66a6a8aaa0c083c5fd58df4e4e97602"
 
 "mkdirp@>=0.5 0", mkdirp@^0.5.1:
   version "0.5.1"
@@ -3027,6 +3018,10 @@ 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 "2.6.2"
+  resolved "https://registry.yarnpkg.com/neo-async/-/neo-async-2.6.2.tgz#b4aafb93e3aeb2d8174ca53cf163ab7d7308305f"
+
 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"
@@ -3946,16 +3941,14 @@ 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:
+  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 +4232,9 @@ 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"
-  dependencies:
-    source-map "~0.5.1"
-    yargs "~3.10.0"
-  optionalDependencies:
-    uglify-to-browserify "~1.0.0"
+uglify-js@^3.1.4:
+  version "3.10.3"
+  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.10.3.tgz#f0d2f99736c14de46d2d24649ba328be3e71c3bf"
 
 uglify-to-browserify@~1.0.0:
   version "1.0.2"
@@ -4405,7 +4393,7 @@ wordwrap@0.0.2:
 
 wordwrap@^1.0.0, wordwrap@~1.0.0:
   version "1.0.0"
-  resolved "http://registry.npm.taobao.org/wordwrap/download/wordwrap-1.0.0.tgz#27584810891456a4171c8d0226441ade90cbcaeb"
+  resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-1.0.0.tgz#27584810891456a4171c8d0226441ade90cbcaeb"
 
 wordwrap@~0.0.2:
   version "0.0.3"