diff --git a/dao/shell.go b/dao/shell.go
index 362d3b0..e382be7 100644
--- a/dao/shell.go
+++ b/dao/shell.go
@@ -35,9 +35,9 @@ func FindShellByID(id, uid uint) []Shell {
 	var result *gorm.DB
 
 	if proto.Config.SERVER_SQL_LOG {
-		result = DB.Debug().Where("id = ? & auth_id = ?", id, uid).First(&shell)
+		result = DB.Debug().Where("id = ? and auth_id = ?", id, uid).First(&shell)
 	} else {
-		result = DB.Where("id = ? & auth_id = ?", id, uid).First(&shell)
+		result = DB.Where("id = ? and auth_id = ?", id, uid).First(&shell)
 	}
 	var res []Shell
 	res = append(res, shell)