refactor(conf): 移除冗余的 mapstructure 结构体标签

internal/conf/conf_redis.go

@@ -1,7 +1,7 @@
 package conf
 
 type RedisConfig struct {
-	Addr     string `mapstructure:"addr" yaml:"addr"`
-	Password string `mapstructure:"password" yaml:"password"`
-	Db       int    `mapstructure:"db" yaml:"db"`
+	Addr     string `yaml:"addr"`
+	Password string `yaml:"password"`
+	Db       int    `yaml:"db"`
 }