Update output.go

fix cookie not work in IE

context/output.go

@@ -98,23 +98,25 @@ func (output *BeegoOutput) Body(content []byte) {
 func (output *BeegoOutput) Cookie(name string, value string, others ...interface{}) {
 	var b bytes.Buffer
 	fmt.Fprintf(&b, "%s=%s", sanitizeName(name), sanitizeValue(value))
+
+    //fix cookie not work in IE
     if len(others) > 0 {
         switch v := others[0].(type) {
             case int:
             if v > 0 {
-				fmt.Fprintf(&b, "; Max-Age=%d", v)
+                fmt.Fprintf(&b, "; Expires=%s; Max-Age=%d", time.Now().Add(time.Duration(v) * time.Second).UTC().Format(time.RFC1123), v)
             } else if v < 0 {
                 fmt.Fprintf(&b, "; Max-Age=0")
             }
             case int64:
             if v > 0 {
-				fmt.Fprintf(&b, "; Max-Age=%d", v)
+                fmt.Fprintf(&b, "; Expires=%s; Max-Age=%d", time.Now().Add(time.Duration(v) * time.Second).UTC().Format(time.RFC1123), v)
             } else if v < 0 {
                 fmt.Fprintf(&b, "; Max-Age=0")
             }
             case int32:
             if v > 0 {
-				fmt.Fprintf(&b, "; Max-Age=%d", v)
+                fmt.Fprintf(&b, "; Expires=%s; Max-Age=%d", time.Now().Add(time.Duration(v) * time.Second).UTC().Format(time.RFC1123), v)
             } else if v < 0 {
                 fmt.Fprintf(&b, "; Max-Age=0")
             }