chore: reorg imports, format code, make MaxRetires default to 0 (#1165)

* chore: reverse the order of stopping services

* chore: reverse the order of stopping services

* chore: reorg imports, format code

* chore: format code, and refactor

* feat: change MaxRetries default to 0, disable retry

core/retry/options.go

@@ -1,14 +1,14 @@
 package retry
 
 import (
+	"time"
+
 	"github.com/tal-tech/go-zero/core/retry/backoff"
 	"google.golang.org/grpc/codes"
-	"time"
 )
 
 // WithDisable disables the retry behaviour on this call, or this interceptor.
-//
-// Its semantically the same to `WithMax`
+// It's semantically the same to `WithMax(0)`
 func WithDisable() *CallOption {
 	return WithMax(0)
 }