fix:初始化 doc 修改

public/db.go

@@ -85,8 +85,10 @@ func init() {
 		}
 
 		if DbConf.Elasticsearch.Doc != nil {
-			EsDoc.Addrs = strings.Split(DbConf.Elasticsearch.Doc.Address, ",")
-			EsDoc.I_size = DbConf.Elasticsearch.Doc.Size
+			EsDoc = &elastic.Elastic{
+				Addrs:  strings.Split(DbConf.Elasticsearch.Doc.Address, ","),
+				I_size: DbConf.Elasticsearch.Doc.Size,
+			}
 			EsDoc.InitElasticSize()
 			log.Println("初始化 doc elasticsearch")
 		}