插件模式代码优化

server/plugin/email/main.go

@@ -7,13 +7,6 @@ import (
 )
 
 type emailPlugin struct {
-	To       string
-	From     string
-	Host     string
-	Secret   string
-	Nickname string
-	Port     int
-	IsSsl    bool
 }
 
 func CreateEmailPlug(To, From, Host, Secret, Nickname string, Port int, IsSSL bool) *emailPlugin {
@@ -25,7 +18,6 @@ func CreateEmailPlug(To, From, Host, Secret, Nickname string, Port int, IsSSL bo
 	global.GlobalConfig.Port = Port
 	global.GlobalConfig.IsSSL = IsSSL
 	return &emailPlugin{}
-
 }
 
 func (*emailPlugin) Register(group *gin.RouterGroup) {