修改consul Init过程

consul/consul.go

@@ -13,9 +13,7 @@ import (
 
 var (
 	_client *consulapi.Client
-	conf    *Config = &Config{
-		Address: "127.0.0.1:8500",
-	}
+	conf    *Config
 )
 
 type Config struct {
@@ -25,9 +23,14 @@ type Config struct {
 //Init 初始化consul连接
 func Init(config *Config) error {
 	if config == nil {
-		return errors.New("config 空实例")
+		conf = &Config{
+			Address: "127.0.0.1:8500",
+		}
 	}
 	conf = config
+	if conf.Address == "" {
+		conf.Address = "127.0.0.1:8500"
+	}
 	return nil
 }