when Redirect delete output

-package beego
-
-import (
-	"fmt"
-	"mime"
-	"net/http"
-	"strings"
-	"time"
-)
-
-type Context struct {
-	ResponseWriter http.ResponseWriter
-	Request        *http.Request
-	Params         map[string]string
-}
-
-func (ctx *Context) WriteString(content string) {
-	ctx.ResponseWriter.Write([]byte(content))
-}
-
-func (ctx *Context) Abort(status int, body string) {
-	ctx.ResponseWriter.WriteHeader(status)
-	ctx.ResponseWriter.Write([]byte(body))
-}
-
-func (ctx *Context) Redirect(status int, url_ string) {
-	ctx.ResponseWriter.Header().Set("Location", url_)
-	ctx.ResponseWriter.WriteHeader(status)
-	ctx.ResponseWriter.Write([]byte("Redirecting to: " + url_))
-}
-
-func (ctx *Context) NotModified() {
-	ctx.ResponseWriter.WriteHeader(304)
-}
-
-func (ctx *Context) NotFound(message string) {
-	ctx.ResponseWriter.WriteHeader(404)
-	ctx.ResponseWriter.Write([]byte(message))
-}
-
-//Sets the content type by extension, as defined in the mime package. 
-//For example, ctx.ContentType("json") sets the content-type to "application/json"
-func (ctx *Context) ContentType(ext string) {
-	if !strings.HasPrefix(ext, ".") {
-		ext = "." + ext
-	}
-	ctype := mime.TypeByExtension(ext)
-	if ctype != "" {
-		ctx.ResponseWriter.Header().Set("Content-Type", ctype)
-	}
-}
-
-func (ctx *Context) SetHeader(hdr string, val string, unique bool) {
-	if unique {
-		ctx.ResponseWriter.Header().Set(hdr, val)
-	} else {
-		ctx.ResponseWriter.Header().Add(hdr, val)
-	}
-}
-
-//Sets a cookie -- duration is the amount of time in seconds. 0 = forever
-func (ctx *Context) SetCookie(name string, value string, age int64) {
-	var utctime time.Time
-	if age == 0 {
-		// 2^31 - 1 seconds (roughly 2038)
-		utctime = time.Unix(2147483647, 0)
-	} else {
-		utctime = time.Unix(time.Now().Unix()+age, 0)
-	}
-	cookie := fmt.Sprintf("%s=%s; expires=%s", name, value, webTime(utctime))
-	ctx.SetHeader("Set-Cookie", cookie, false)
-}
+package beego
+
+import (
+	"fmt"
+	"mime"
+	"net/http"
+	"strings"
+	"time"
+)
+
+type Context struct {
+	ResponseWriter http.ResponseWriter
+	Request        *http.Request
+	Params         map[string]string
+}
+
+func (ctx *Context) WriteString(content string) {
+	ctx.ResponseWriter.Write([]byte(content))
+}
+
+func (ctx *Context) Abort(status int, body string) {
+	ctx.ResponseWriter.WriteHeader(status)
+	ctx.ResponseWriter.Write([]byte(body))
+}
+
+func (ctx *Context) Redirect(status int, url_ string) {
+	ctx.ResponseWriter.Header().Set("Location", url_)
+	ctx.ResponseWriter.WriteHeader(status)
+}
+
+func (ctx *Context) NotModified() {
+	ctx.ResponseWriter.WriteHeader(304)
+}
+
+func (ctx *Context) NotFound(message string) {
+	ctx.ResponseWriter.WriteHeader(404)
+	ctx.ResponseWriter.Write([]byte(message))
+}
+
+//Sets the content type by extension, as defined in the mime package. 
+//For example, ctx.ContentType("json") sets the content-type to "application/json"
+func (ctx *Context) ContentType(ext string) {
+	if !strings.HasPrefix(ext, ".") {
+		ext = "." + ext
+	}
+	ctype := mime.TypeByExtension(ext)
+	if ctype != "" {
+		ctx.ResponseWriter.Header().Set("Content-Type", ctype)
+	}
+}
+
+func (ctx *Context) SetHeader(hdr string, val string, unique bool) {
+	if unique {
+		ctx.ResponseWriter.Header().Set(hdr, val)
+	} else {
+		ctx.ResponseWriter.Header().Add(hdr, val)
+	}
+}
+
+//Sets a cookie -- duration is the amount of time in seconds. 0 = forever
+func (ctx *Context) SetCookie(name string, value string, age int64) {
+	var utctime time.Time
+	if age == 0 {
+		// 2^31 - 1 seconds (roughly 2038)
+		utctime = time.Unix(2147483647, 0)
+	} else {
+		utctime = time.Unix(time.Now().Unix()+age, 0)
+	}
+	cookie := fmt.Sprintf("%s=%s; expires=%s", name, value, webTime(utctime))
+	ctx.SetHeader("Set-Cookie", cookie, false)
+}