fix

.github/workflows/go.yml

@@ -10,7 +10,7 @@ jobs:
   golangci:
     strategy:
       matrix:
-        go-version: [ '1.16','1.17','1.18','1.19','1.20' ]
+        go-version: [ '1.16','1.17','1.18','1.19','1.20','1.21' ]
     name: golangci-lint
     runs-on: ubuntu-latest
     steps:
@@ -42,7 +42,7 @@ jobs:
     # strategy set
     strategy:
       matrix:
-        go: [ '1.16','1.17','1.18','1.19','1.20' ]
+        go: [ '1.16','1.17','1.18','1.19','1.20','1.21' ]
 
     steps:
       - uses: actions/checkout@v3