diff --git a/README.md b/README.md
index 77d26e7..770d5c9 100644
--- a/README.md
+++ b/README.md
@@ -112,39 +112,44 @@ import (
 	"github.com/panjf2000/ants"
 )
 
-func main() {
-	result := make(chan []byte)
-	pool, _ := ants.NewPoolWithFunc(100, func(payload interface{}) {
-		param, ok := payload.([]byte)
-		if !ok {
-			param = []byte("")
-		}
+type Request struct {
+	Param  []byte
+	Result chan []byte
+}
 
+func main() {
+	pool, _ := ants.NewPoolWithFunc(100, func(payload interface{}) {
+		request, ok := payload.(Request)
+		if !ok {
+			request = Request{Result: make(chan []byte)}
+		}
 		reverseParam := func(s []byte) []byte {
 			for i, j := 0, len(s)-1; i < j; i, j = i+1, j-1 {
 				s[i], s[j] = s[j], s[i]
 			}
 			return s
-		}(param)
+		}(request.Param)
 
-		result <- reverseParam
+		request.Result <- reverseParam
 	})
 	defer pool.Release()
 
 	http.HandleFunc("/reverse", func(w http.ResponseWriter, r *http.Request) {
-		req, err := ioutil.ReadAll(r.Body)
+		param, err := ioutil.ReadAll(r.Body)
 		if err != nil {
 			http.Error(w, "request error", http.StatusInternalServerError)
 		}
 		defer r.Body.Close()
 
+		request := Request{Param: param, Result: make(chan []byte)}
+
 		// Throttle the requests with ants pool. This process is asynchronous and
 		// you can receive a result from the channel defined outside.
-		if err := pool.Serve(req); err != nil {
+		if err := pool.Serve(request); err != nil {
 			http.Error(w, "throttle limit error", http.StatusInternalServerError)
 		}
 
-		w.Write(<-result)
+		w.Write(<-request.Result)
 	})
 
 	http.ListenAndServe(":8080", nil)
diff --git a/README_ZH.md b/README_ZH.md
index f408f53..2fd8884 100644
--- a/README_ZH.md
+++ b/README_ZH.md
@@ -111,39 +111,44 @@ import (
 	"github.com/panjf2000/ants"
 )
 
-func main() {
-	result := make(chan []byte)
-	pool, _ := ants.NewPoolWithFunc(100, func(payload interface{}) {
-		param, ok := payload.([]byte)
-		if !ok {
-			param = []byte("")
-		}
+type Request struct {
+	Param  []byte
+	Result chan []byte
+}
 
+func main() {
+	pool, _ := ants.NewPoolWithFunc(100, func(payload interface{}) {
+		request, ok := payload.(Request)
+		if !ok {
+			request = Request{Result: make(chan []byte)}
+		}
 		reverseParam := func(s []byte) []byte {
 			for i, j := 0, len(s)-1; i < j; i, j = i+1, j-1 {
 				s[i], s[j] = s[j], s[i]
 			}
 			return s
-		}(param)
+		}(request.Param)
 
-		result <- reverseParam
+		request.Result <- reverseParam
 	})
 	defer pool.Release()
 
 	http.HandleFunc("/reverse", func(w http.ResponseWriter, r *http.Request) {
-		req, err := ioutil.ReadAll(r.Body)
+		param, err := ioutil.ReadAll(r.Body)
 		if err != nil {
 			http.Error(w, "request error", http.StatusInternalServerError)
 		}
 		defer r.Body.Close()
 
+		request := Request{Param: param, Result: make(chan []byte)}
+
 		// Throttle the requests with ants pool. This process is asynchronous and
 		// you can receive a result from the channel defined outside.
-		if err := pool.Serve(req); err != nil {
+		if err := pool.Serve(request); err != nil {
 			http.Error(w, "throttle limit error", http.StatusInternalServerError)
 		}
 
-		w.Write(<-result)
+		w.Write(<-request.Result)
 	})
 
 	http.ListenAndServe(":8080", nil)
diff --git a/ants_test.go b/ants_test.go
index 957bbce..db0576f 100644
--- a/ants_test.go
+++ b/ants_test.go
@@ -33,14 +33,14 @@ 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 (
@@ -93,7 +93,7 @@ func TestAntsPool(t *testing.T) {
 	var wg sync.WaitGroup
 	for i := 0; i < n; i++ {
 		wg.Add(1)
-		ants.Submit(func(){
+		ants.Submit(func() {
 			demoFunc()
 			wg.Done()
 		})
diff --git a/examples/http.go b/examples/http.go
new file mode 100644
index 0000000..62b728a
--- /dev/null
+++ b/examples/http.go
@@ -0,0 +1,51 @@
+package main
+
+import (
+	"io/ioutil"
+	"net/http"
+
+	"github.com/panjf2000/ants"
+)
+
+type Request struct {
+	Param  []byte
+	Result chan []byte
+}
+
+func main() {
+	pool, _ := ants.NewPoolWithFunc(100, func(payload interface{}) {
+		request, ok := payload.(Request)
+		if !ok {
+			request = Request{Result: make(chan []byte)}
+		}
+		reverseParam := func(s []byte) []byte {
+			for i, j := 0, len(s)-1; i < j; i, j = i+1, j-1 {
+				s[i], s[j] = s[j], s[i]
+			}
+			return s
+		}(request.Param)
+
+		request.Result <- reverseParam
+	})
+	defer pool.Release()
+
+	http.HandleFunc("/reverse", func(w http.ResponseWriter, r *http.Request) {
+		param, err := ioutil.ReadAll(r.Body)
+		if err != nil {
+			http.Error(w, "request error", http.StatusInternalServerError)
+		}
+		defer r.Body.Close()
+
+		request := Request{Param: param, Result: make(chan []byte)}
+
+		// Throttle the requests with ants pool. This process is asynchronous and
+		// you can receive a result from the channel defined outside.
+		if err := pool.Serve(request); err != nil {
+			http.Error(w, "throttle limit error", http.StatusInternalServerError)
+		}
+
+		w.Write(<-request.Result)
+	})
+
+	http.ListenAndServe(":8080", nil)
+}