feat:升级golang基础版本

.travis.yml

@@ -1,7 +1,7 @@
 language: go
 
 go:
-  - "1.11.4"
+  - "1.12"
 
 sudo: true
 install: false
@@ -35,4 +35,4 @@ deploy:
     overwrite: true
     tags: true
     all_branches: true
-    go: "1.11.2"
+    go: "1.12"

appveyor.yml

@@ -3,7 +3,7 @@ clone_folder: c:\gopath\src\github.com\lifei6671\mindoc
 
 environment:
   GOPATH: c:\gopath
-  GOVERSION: "1.11.4"
+  GOVERSION: "1.12"
   matrix:
     - tbs_arch: "x86"
       tbs_tools: "mingw"