diff --git a/qrcode.go b/qrcode.go
index 4c8896a..314bdbb 100644
--- a/qrcode.go
+++ b/qrcode.go
@@ -1,6 +1,7 @@
 package wechat
 
 import (
+	"bytes"
 	"encoding/base64"
 	"errors"
 	"fmt"
@@ -49,13 +50,19 @@ func GetMiniappQrcode(access_token string, qrcodeParamsMap map[string]interface{
 		"auto_color":  autoColor,
 		"is_hyaline":  isHyaline,
 	}
-	requestDataJson, err := json.Marshal(requestData)
+	// json.marshal 会转义&字符
+	/*requestDataJson, err := json.Marshal(requestData)
 
 	if err != nil {
 		return "", err
-	}
+	}*/
+
+	bf := bytes.NewBuffer([]byte{})
+	jsonEncoder := json.NewEncoder(bf)
+	jsonEncoder.SetEscapeHTML(false)
+	jsonEncoder.Encode(requestData)
 
-	response, err := PostJson(getCodeUrl, requestDataJson)
+	response, err := PostJson(getCodeUrl, bf.Bytes())
 
 	if err != nil {
 		return "", err