feat：完善项目信息

config/config.go

@@ -56,6 +56,10 @@ type Setting struct {
 		IdleTimeout  int `yaml:"idle_timeout"`
 	}
 
+	// ESServer 配置
+	ESServer struct {
+		Host string `yaml:"host"`
+	} `yaml:"es_server"`
 	// Rate 限流器
 	Rate struct {
 		Limit    int `yaml:"limit"`