修复无用户信息时主菜单获取临时头像报错

parts/users.lua

@@ -28,18 +28,18 @@ for i=1,29 do
 end
 
 local db_img={}
-local db=setmetatable({},{__index=function(self,k)
-	if not k then
-		db_img[k]=defaultAvatar[(k-26)%29+1]
+local db=setmetatable({},{__index=function(self,uid)
+	if not uid then
+		db_img[uid]=defaultAvatar[1]
 		return emptyUser
 	end
-	local file="cache/user"..k..".dat"
+	local file="cache/user"..uid..".dat"
 	local d=fs.getInfo(file)and JSON.decode(fs.read(file))or TABLE.copy(emptyUser)
-	rawset(self,k,d)
-	db_img[k]=
+	rawset(self,uid,d)
+	db_img[uid]=
 		type(d.hash)=="string"and #d.hash>0 and fs.getInfo("cache/"..d.hash)and
 		loadAvatar("cache/"..d.hash)or
-		defaultAvatar[(k-26)%29+1]
+		defaultAvatar[(uid-26)%29+1]
 	return d
 end})