Merge pull request #6 from jiaohu/fix/ci

fix(ci): ci action

Author: jiaohu

.github/workflows/ci.yaml

@@ -12,14 +12,17 @@ jobs:
     name: Test
     runs-on: ubuntu-latest
     steps:
-      - name: Set up Go 1.x
+      - name: Set up Go 1.8
         uses: actions/setup-go@v2
         with:
-          go-version: ^1.18
+          go-version: 1.18
         id: go
 
       - name: Check out code into the Go module directory
         uses: actions/checkout@v2
 
+      - name: mod download
+        run: go mod tidy
+
       - name: Test
         run: go test -v .