diff --git a/cmd/lotus-fountain/main.go b/cmd/lotus-fountain/main.go
index 62fd25509..9b4dcd146 100644
--- a/cmd/lotus-fountain/main.go
+++ b/cmd/lotus-fountain/main.go
@@ -154,16 +154,16 @@ var runCmd = &cli.Command{
 			from:           from,
 			sendPerRequest: sendPerRequest,
 			limiter: NewLimiter(LimiterConfig{
-				TotalRate:   time.Second,
-				TotalBurst:  256,
-				IPRate:      time.Minute,
+				TotalRate:   500 * time.Millisecond,
+				TotalBurst:  build.BlockMessageLimit,
+				IPRate:      10 * time.Minute,
 				IPBurst:     5,
 				WalletRate:  15 * time.Minute,
 				WalletBurst: 2,
 			}),
 			minerLimiter: NewLimiter(LimiterConfig{
-				TotalRate:   time.Second,
-				TotalBurst:  256,
+				TotalRate:   500 * time.Millisecond,
+				TotalBurst:  build.BlockMessageLimit,
 				IPRate:      10 * time.Minute,
 				IPBurst:     2,
 				WalletRate:  1 * time.Hour,