diff --git a/utils/base64.go b/utils/base64.go
index e5e34b4..4704a27 100644
--- a/utils/base64.go
+++ b/utils/base64.go
@@ -9,17 +9,17 @@ type Base64 struct {
 
 // Encode
 // 编码
-//  @receiver q
+//  @receiver b
 //  @return string
-func (q Base64) Encode() string {
-	return base64.StdEncoding.EncodeToString(q.Content)
+func (b Base64) Encode() string {
+	return base64.StdEncoding.EncodeToString(b.Content)
 }
 
 // Decode
 // 解码
-//  @receiver q
+//  @receiver b
 //  @return string
-func (q Base64) Decode() string {
-	res, _ := base64.StdEncoding.DecodeString(string(q.Content))
+func (b Base64) Decode() string {
+	res, _ := base64.StdEncoding.DecodeString(string(b.Content))
 	return string(res)
 }