diff --git a/README.md b/README.md
index a0d646b..c656a75 100644
--- a/README.md
+++ b/README.md
@@ -137,6 +137,32 @@ All the tasks submitted to ants pool will not be guaranteed to be processed in o
 
 The test data above is a basic benchmark and the more detailed benchmarks will be uploaded later.
 
+### Benchmarks with Pool 
+
+![](https://github.com/panjf2000/ants/blob/master/benchmark_pool.png)
+
+
+
+### Benchmarks with PoolWithFunc
+
+![](https://github.com/panjf2000/ants/blob/master/ants_bench_poolwithfunc.png)
+
+### Throughput
+
+#### 10w tasks
+
+![](https://github.com/panjf2000/ants/blob/master/ants_bench_10w.png)
+
+#### 100w tasks
+
+![](https://github.com/panjf2000/ants/blob/master/ants_bench_100w.png)
+
+#### 1000W tasks
+
+![](https://github.com/panjf2000/ants/blob/master/ants_bench_1000w.png)
+
+There was only the test of `ants` Pool because my computer was crash when it reached 1000w goroutines. ba
+
 [1]: https://godoc.org/github.com/panjf2000/ants?status.svg
 [2]: https://godoc.org/github.com/panjf2000/ants
 [3]: https://goreportcard.com/badge/github.com/panjf2000/ants
diff --git a/ants_bench_1000w.png b/ants_bench_1000w.png
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diff --git a/ants_bench_100w.png b/ants_bench_100w.png
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diff --git a/ants_bench_10w.png b/ants_bench_10w.png
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diff --git a/ants_bench_poolwithfunc.png b/ants_bench_poolwithfunc.png
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diff --git a/ants_benchmark_test.go b/ants_benchmark_test.go
index 06fdcd3..88470ed 100644
--- a/ants_benchmark_test.go
+++ b/ants_benchmark_test.go
@@ -32,20 +32,21 @@ import (
 
 const (
 	_   = 1 << (10 * iota)
-	KiB  // 1024
-	MiB  // 1048576
-	GiB  // 1073741824
-	TiB  // 1099511627776             (超过了int32的范围)
-	PiB  // 1125899906842624
-	EiB  // 1152921504606846976
-	ZiB  // 1180591620717411303424    (超过了int64的范围)
-	YiB  // 1208925819614629174706176
+	KiB // 1024
+	MiB // 1048576
+	GiB // 1073741824
+	TiB // 1099511627776             (超过了int32的范围)
+	PiB // 1125899906842624
+	EiB // 1152921504606846976
+	ZiB // 1180591620717411303424    (超过了int64的范围)
+	YiB // 1208925819614629174706176
 )
 const RunTimes = 10000000
 const loop = 10
 
 func demoFunc() error {
-	time.Sleep(loop * time.Millisecond)
+	n := 10
+	time.Sleep(time.Duration(n) * time.Millisecond)
 	return nil
 }
 
@@ -95,17 +96,18 @@ func BenchmarkAntsPoolWithFunc(b *testing.B) {
 func BenchmarkGoroutine(b *testing.B) {
 	for i := 0; i < b.N; i++ {
 		for j := 0; j < RunTimes; j++ {
-			go demoFunc()
+			go demoPoolFunc(loop)
 		}
 	}
-
 }
 
 func BenchmarkAntsPool(b *testing.B) {
+	p, _ := ants.NewPoolWithFunc(50000, demoPoolFunc)
+	b.ResetTimer()
 	for i := 0; i < b.N; i++ {
 		for j := 0; j < RunTimes; j++ {
-			ants.Submit(demoFunc)
+			p.Serve(loop)
 		}
-		b.Logf("running goroutines: %d", ants.Running())
+		// b.Logf("running goroutines: %d", p.Running())
 	}
 }
diff --git a/ants_test.go b/ants_test.go
index 71e4493..2334e42 100644
--- a/ants_test.go
+++ b/ants_test.go
@@ -30,7 +30,7 @@ import (
 	"github.com/panjf2000/ants"
 )
 
-var n = 10000000
+var n = 1000000
 
 func TestDefaultPool(t *testing.T) {
 	var wg sync.WaitGroup
diff --git a/benchmark_pool.png b/benchmark_pool.png
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