Merge pull request #163 from yunify/runzexia-patch-1

fix release go version

Author: runzexia

.circleci/config.yml

@@ -41,7 +41,7 @@ jobs:
                  codeclimate-test-reporter < cov.out
   release:
     docker:
-      - image: circleci/golang:1.8
+      - image: circleci/golang:1.9
     working_directory: /go/src/github.com/yunify/terraform-provider-qingcloud
     steps:
       - checkout