📝 update readme.md

readme.md

@@ -22,27 +22,29 @@ type User struct {
     Email string `json:"email" sen:"email,*"`
 }
 
-data :=  User{
+func main() {
+    data :=  User{
         Name: "lixh",
         Age: 18,
         Phone: "13888888888",
         Email: "lixh@gmail.com",
-}
+    }
 
-// 添加自定义处理函数
+    // 添加自定义处理函数
-// Add custom handler
+    // Add custom handler
-sensitive.AddHandler("email", func(src, p string) string {
+    sensitive.AddHandler("email", func(src, p string) string {
         // 将@符号后面的替换为*
         // Replace the after @ sign with *
         idx := strings.Index(src, "@")
         dst := src[:idx+1] + strings.Repeat(p, utf8.RuneCountInString(src)-idx-1)
         
         return dst
-})
+    })
     
-if err := sensitive.Desensitize(data); err != nil {
+    if err := sensitive.Desensitize(data); err != nil {
         fmt.Println(err)
+    }
+    bs, _ := json.Marshal(response)
+    log.Printf("after processing data: %v", string(bs))
 }
-bs, _ := json.Marshal(response)
-log.Printf("after processing data: %v", string(bs))
 ```