diff --git a/commands/install.go b/commands/install.go
index 1be2b9a7..d38d1074 100644
--- a/commands/install.go
+++ b/commands/install.go
@@ -103,6 +103,8 @@ func initialization() {
 	member, err := models.NewMember().FindByFieldFirst("account", "admin")
 	if err == orm.ErrNoRows {
 
+		// create admin user
+		logs.Info("creating admin user")
 		member.Account = "admin"
 		member.Avatar = conf.URLForWithCdnImage("/static/images/headimgurl.jpg")
 		member.Password = "123456"
@@ -114,6 +116,8 @@ func initialization() {
 			panic("Member.Add => " + err.Error())
 		}
 
+		// create demo book
+		logs.Info("creating demo book")
 		book := models.NewBook()
 
 		book.MemberId = member.MemberId
diff --git a/models/Member.go b/models/Member.go
index 9642823b..5a38577e 100644
--- a/models/Member.go
+++ b/models/Member.go
@@ -81,7 +81,7 @@ func (m *Member) Login(account string, password string) (*Member, error) {
 			logs.Info("转入 HTTP 接口登陆 ->", account)
 			return member.httpLogin(account, password)
 		} else {
-			logs.Error("用户登录 ->", err)
+			logs.Error("user login for `%s`: %s",account, err)
 			return member, ErrMemberNoExist
 		}
 	}