use go 1.11.2

appveyor.yml

@@ -13,7 +13,7 @@ version: "1.0.{build}"
 environment:
   global:
     GOPATH: C:\gopath
-    GOVERSION: "1.11.1"
+    GOVERSION: "1.11.2"
 
 install:
   - set PATH=%GOPATH%\bin;c:\go\bin;%PATH%

shippable.yml

@@ -11,7 +11,7 @@ branches:
 build:
   ci:
     - uname -a
-    - curl -L -o golang.tar.gz https://dl.google.com/go/go1.11.1.linux-arm64.tar.gz
+    - curl -L -o golang.tar.gz https://dl.google.com/go/go1.11.2.linux-arm64.tar.gz
     - tar -C /usr/local -xzf golang.tar.gz
     - export PATH=$PATH:/usr/local/go/bin
     - export GOPATH=/v2ray