diff --git a/src/Command/MasterCommand.cs b/src/Command/MasterCommand.cs
index fcb9a8e..47af594 100644
--- a/src/Command/MasterCommand.cs
+++ b/src/Command/MasterCommand.cs
@@ -367,6 +367,34 @@ namespace Milimoe.RainBOT.Command
                 }
                 return;
             }
+            else if (command.Contains(".osm sc"))
+            {
+                if (send_group)
+                {
+                    if (user_id == GeneralSettings.Master)
+                    {
+                        string pattern = @"^\.osm\s+sc\s+(\d+)\s+([+-])(\d+)(?:\s+(.+))?$";
+                        Match match = Regex.Match(command.ToLower().Trim().Replace("@", ""), pattern);
+                        if (match.Success)
+                        {
+                            long qq = long.Parse(match.Groups[1].Value);
+                            bool isAdd = match.Groups[2].Value == "+";
+                            int sc = Math.Abs(int.Parse(match.Groups[3].Value));
+                            string reason = match.Groups.Count > 4 ? match.Groups[4].Value : "";
+                            _ = OshimaController.Instance.SCAdd(qq, target_id, reason, isAdd ? sc : -sc);
+                        }
+                        else
+                        {
+                            SendMessage(send_group, target_id, "OSM Core：指令格式不正确或传入的参数不支持。\r\n格式：.osm sc <qq> (+/-)<sc> [reason]");
+                        }
+                    }
+                    else Access_Denied(send_group, target_id);
+                }
+                else
+                {
+                    SendMessage(send_group, target_id, "OSM Core：此命令仅允许在群聊中使用。");
+                }
+            }
             else
             {
                 SendMessage(send_group, target_id, Execute_Worker(".osm missingcommand", ""));
diff --git a/src/ListeningTask/GroupMessageTask.cs b/src/ListeningTask/GroupMessageTask.cs
index 03925bb..6ddaa9a 100644
--- a/src/ListeningTask/GroupMessageTask.cs
+++ b/src/ListeningTask/GroupMessageTask.cs
@@ -42,7 +42,7 @@ namespace Milimoe.RainBOT.ListeningTask
 
                 if (NoSpamming.NoSpammingData.TryGetValue(e.group_id, out NoSpamming? value) && value != null)
                 {
-                    if (await value.Check(e.user_id))
+                    if (await value.Check(e.user_id, e.message.Any(e => e.type == "image")))
                     {
                         await Bot.SendGroupMessage(e.group_id, "刷屏检测", "喜欢刷屏？吔屎啦你！");
                         return quick_reply;
diff --git a/src/Main.cs b/src/Main.cs
index 2804406..8d57735 100644
--- a/src/Main.cs
+++ b/src/Main.cs
@@ -217,11 +217,8 @@ try
             foreach (NoSpamming ns in NoSpamming.NoSpammingData.Values)
             {
                 ns.Times.Clear();
-                if (NoSpamming.Refresh++ > 4)
-                {
-                    ns.History.Clear();
-                    NoSpamming.Refresh = 0;
-                }
+                ns.History.Clear();
+                ns.HistoryImage.Clear();
             }
         }
         catch (Exception e)
diff --git a/src/Settings/NoSpamming.cs b/src/Settings/NoSpamming.cs
index b909622..1d2235e 100644
--- a/src/Settings/NoSpamming.cs
+++ b/src/Settings/NoSpamming.cs
@@ -11,6 +11,7 @@ namespace Milimoe.RainBOT.Settings
         public static ConcurrentDictionary<long, NoSpamming> NoSpammingData { get; } = [];
 
         public List<long> History { get; } = [];
+        public List<long> HistoryImage { get; } = [];
         public long GroupId { get; set; } = groupId;
         public Dictionary<long, int> Times { get; } = [];
 
@@ -26,19 +27,20 @@ namespace Milimoe.RainBOT.Settings
             }
         }
 
-        public async Task<bool> Check(long qq)
+        public async Task<bool> Check(long qq, bool isImage = false)
         {
             if (!Bot.BotIsAdmin(GroupId))
             {
                 return false;
             }
-            History.Add(qq);
+            if (!isImage) History.Add(qq);
+            else HistoryImage.Add(qq);
             if (Times.TryGetValue(qq, out int times))
             {
                 Times[qq] = ++times;
                 int total = Times.Values.Sum();
-                double check = total > 8 ? times / total : 0;
-                if (qq != GeneralSettings.Master && (check > 0.9 || (History.Count > 8 && History.TakeLast(8).All(q => q == qq))))
+                double check = total > 12 ? times / total : 0;
+                if (qq != GeneralSettings.Master && (check > 0.9 || (History.Count > 15 && History.TakeLast(15).All(q => q == qq))) || (HistoryImage.Count > 8 && HistoryImage.TakeLast(8).All(q => q == qq)))
                 {
                     Times.Remove(qq);
                     await Bot.SendMessage(SupportedAPI.set_group_ban, GroupId, "禁言", new SetGroupBanContent(GroupId, qq, 120), true);
@@ -54,6 +56,10 @@ namespace Milimoe.RainBOT.Settings
             {
                 History.Clear();
             }
+            if (HistoryImage.Count > 200)
+            {
+                HistoryImage.Clear();
+            }
             return false;
         }
     }