配置为空时报错

config/consul.go

@@ -47,7 +47,7 @@ func (x *ConsulConfFetcher) sync() *ConsulConfFetcher {
 		x.err = err
 		return x
 	}
-	if kv == nil {
+	if kv == nil || len(kv.Value) == 0 {
 		x.err = xerror.New("[consul]请先配置consul")
 		return x
 	}

config/local.go

@@ -62,6 +62,10 @@ func watchConfig(confFile string, obj ICfg, reloads ...func()) {
 	// Note: OnConfigChange is called twice on Windows
 	viper.OnConfigChange(func(e fsnotify.Event) {
 		if content, err := os.ReadFile(confFile); err == nil {
+			if len(content) == 0 {
+				fmt.Println("配置为空")
+				return
+			}
 			obj.SetContent(content)
 		}
 		obj.Lock()

config/nacos.go

 package config
 
 import (
+	"errors"
 	"fmt"
 
 	"github.com/nacos-group/nacos-sdk-go/clients"
@@ -110,6 +111,9 @@ func (x *NacosClient) Watch() *NacosClient {
 		Group:  x.cfg.Group,
 		OnChange: func(namespace, group, dataId, data string) {
 			fmt.Println("[nacos]conf changed")
+			if data == "" {
+				x.e = errors.New("配置为空")
+			}
 			x.content = []byte(data)
 			_ = x.Parse()
 		},