:art:优化以下

config/cache.go

@@ -0,0 +1,9 @@
+package config
+
+type cache struct {
+	Type     string `yaml:"type"`
+	Host     string `yaml:"host"`
+	Port     int    `yaml:"port"`
+	Password string `yaml:"password"`
+	Db       int    `yaml:"db"`
+}