diff --git a/MyProject/A.nut b/MyProject/A.nut
index 39029b8..6bf7e54 100644
--- a/MyProject/A.nut
+++ b/MyProject/A.nut
@@ -116,13 +116,11 @@ Gm_InputFunc_Handle["点券"] <- function(SUser, CmdString) {
 
 
 Gm_InputFunc_Handle["test"] <- function(SUser, CmdString) {
-    SUser.DropItem(26058, 200, 200);
-
+    SUser.SendItemWindowNotification([[33900, 1]]);
 }
 
 
 
-
 Timer.SetTimeOut(function() {
     // _Dps_Equ2AvaJewel_Main_()
     // local Pack = Packet();
diff --git a/_DPS_/FileConfig.json b/_DPS_/FileConfig.json
index c6a6a70..e6e9344 100644
--- a/_DPS_/FileConfig.json
+++ b/_DPS_/FileConfig.json
@@ -142,6 +142,11 @@
             "Script": [
                 "换装系统/换装系统.nut"
             ]
+        },
+        "偷窃系统": {
+            "Script": [
+                "偷窃系统/偷窃系统.nut"
+            ]
         }
     }
 }
\ No newline at end of file
diff --git a/_DPS_/_BuiltProject/偷窃系统/偷窃系统.nut b/_DPS_/_BuiltProject/偷窃系统/偷窃系统.nut
new file mode 100644
index 0000000..1346d2e
--- /dev/null
+++ b/_DPS_/_BuiltProject/偷窃系统/偷窃系统.nut
@@ -0,0 +1,375 @@
+/*
+File: 偷窃系统.nut
+Path: _DPS_/_BuiltProject/偷窃系统/偷窃系统.nut
+*/
+
+class StealSystem {
+
+    RandomCountMin = 0;
+    RandomCountMax = 0;
+    NpcConfig = null;
+    RequestCache = null;
+    Loaded = false;
+    UseItem = null;
+
+    constructor() {
+        NpcConfig = {};
+        RequestCache = {};
+        Loaded = InitPvf();
+        if (Loaded) {
+            RegisterClient();
+            InitDailyResetTask();
+        }
+    }
+
+    function RegisterClient() {
+        ClientSocketPackFuncMap.rawset(21017001, function(SUser, Jso) {
+            local ret = false;
+            local npcId = null;
+            try {
+                npcId = Jso.npcid;
+            } catch (exception) {
+                npcId = null;
+            }
+
+            local cid = SUser.GetCID();
+            if (typeof npcId == "integer" && NpcConfig.rawin(npcId)) {
+                if (!RequestCache.rawin(cid)) {
+                    RequestCache[cid] <- {};
+                }
+                if (!RequestCache[cid].rawin(npcId)) {
+                    ret = true;
+                } else {
+                    SUser.SendNotiBox("          偷窃失败            今日已对该他实施过偷窃", 1);
+                    SUser.SendJso({
+                        op = 21017002,
+                        ret = ret
+                    });
+                    return;
+                }
+            } else {
+                print("StealSystem: 21017001 invalid npcid.");
+                SUser.SendJso({
+                    op = 21017002,
+                    ret = ret
+                });
+                return;
+            }
+
+            local InvenObj = SUser.GetInven();
+            local itemSlot = InvenObj.GetSlotById(UseItem);
+            if (itemSlot == -1) {
+                ret = false;
+                SUser.SendNotiBox("          偷窃失败            您没有该偷窃消耗物品！", 1);
+                SUser.SendJso({
+                    op = 21017002,
+                    ret = ret
+                });
+                return;
+            } else if (!InvenObj.DeleteItemCount(UseItem, 1)) {
+                ret = false;
+                SUser.SendJso({
+                    op = 21017002,
+                    ret = ret
+                });
+                return;
+            }
+
+            if (ret) {
+                RequestCache[cid].rawset(npcId, 1);
+            }
+
+            SUser.SendJso({
+                op = 21017002,
+                ret = ret
+            });
+
+        }.bindenv(this));
+
+        ClientSocketPackFuncMap.rawset(21017003, function(SUser, Jso) {
+            local npcId = null;
+            try {
+                npcId = Jso.npcid;
+            } catch (exception) {
+                npcId = null;
+            }
+            if (typeof npcId != "integer") {
+                print("StealSystem: 21017003 invalid npcid.");
+                return;
+            }
+
+            local cid = SUser.GetCID();
+            if (!RequestCache.rawin(cid) || !RequestCache[cid].rawin(npcId) || RequestCache[cid][npcId] != 1) {
+                print(format("StealSystem: 21017003 denied for cid=%d npc=%d because 21017001 is not passed.", cid, npcId));
+                return;
+            }
+            if (!NpcConfig.rawin(npcId)) {
+                print(format("StealSystem: 21017003 npc config not found for npc=%d.", npcId));
+                return;
+            }
+
+            local groupName = GetRandomGroupName();
+            local groupData = NpcConfig[npcId][groupName];
+            if (groupData.len() == 0) {
+                print(format("StealSystem: 21017003 npc=%d picked empty group %s.", npcId, groupName));
+                return;
+            }
+
+            local drawCount = MathClass.Rand(RandomCountMin, RandomCountMax);
+            if (drawCount <= 0) {
+                print(format("StealSystem: 21017003 draw count <= 0 for npc=%d.", npcId));
+                return;
+            }
+
+            local rewardMap = BuildRewardMap(groupData, drawCount);
+            if (!rewardMap) {
+                print(format("StealSystem: 21017003 failed to build rewards for npc=%d group=%s.", npcId, groupName));
+                return;
+            }
+
+            if (!GiveRewardMap(SUser, rewardMap)) {
+                print(format("StealSystem: 21017003 failed to give rewards for cid=%d npc=%d.", cid, npcId));
+                return;
+            }
+
+            local notiadd = [];
+            foreach(Index, Count in rewardMap) {
+                notiadd.append([Index, Count]);
+            }
+            SUser.SendItemWindowNotification(notiadd);
+
+            RequestCache[cid].rawset(npcId, 2);
+        }.bindenv(this));
+    }
+
+    function InitDailyResetTask() {
+        Timer.RemoveCronTask("StealSystemDailyReset");
+        Timer.SetCronTask(function() {
+            RequestCache = {};
+            print("StealSystem: daily request cache reset.");
+        }.bindenv(this), {
+            Cron = "0 0 6 * * *",
+            Name = "StealSystemDailyReset"
+        });
+    }
+
+    function ParseRewardGroup(Data, CloseTag, OutList, Path, NpcId, GroupName) {
+        while (true) {
+            local first = Data.Get();
+            if (first == CloseTag) {
+                return true;
+            }
+            if (Data.Eof()) {
+                print(format("StealSystem: npc %d %s block missing close tag %s in %s.", NpcId, GroupName, CloseTag, Path));
+                return false;
+            }
+
+            local second = Data.Get();
+            if (Data.Eof()) {
+                print(format("StealSystem: npc %d %s block has incomplete entry in %s.", NpcId, GroupName, Path));
+                return false;
+            }
+            local third = Data.Get();
+
+            if (typeof first != "integer" || typeof second != "integer" || typeof third != "integer") {
+                print(format("StealSystem: npc %d %s block has non-integer entry in %s.", NpcId, GroupName, Path));
+                return false;
+            }
+
+            OutList.append({
+                item = first,
+                rate = second,
+                count = third
+            });
+        }
+        return false;
+    }
+
+    function GetRandomGroupName() {
+        local groupNames = ["normal", "rarity", "epic"];
+        return groupNames[MathClass.Rand(0, groupNames.len() - 1)];
+    }
+
+    function RollRewardFromGroup(GroupData) {
+        local totalRate = 0;
+        foreach(_idx, info in GroupData) {
+            if (info.rate > 0) {
+                totalRate += info.rate;
+            }
+        }
+        if (totalRate <= 0) {
+            return null;
+        }
+
+        local randNum = MathClass.Rand(0, totalRate);
+        foreach(_idx, info in GroupData) {
+            if (info.rate <= 0) {
+                continue;
+            }
+            if (randNum< info.rate) {
+                return info;
+            }
+            randNum -= info.rate;
+        }
+        return GroupData[GroupData.len() - 1];
+    }
+
+    function BuildRewardMap(GroupData, DrawCount) {
+        local rewardMap = {};
+        for (local i = 0; i< DrawCount; i++) {
+            local rewardInfo = RollRewardFromGroup(GroupData);
+            if (!rewardInfo) {
+                return null;
+            }
+            if (!rewardMap.rawin(rewardInfo.item)) {
+                rewardMap[rewardInfo.item] <- 0;
+            }
+            rewardMap[rewardInfo.item] += rewardInfo.count;
+        }
+        return rewardMap;
+    }
+
+    function GiveRewardMap(SUser, RewardMap) {
+        foreach(itemId, itemCount in RewardMap) {
+            if (itemCount <= 0) {
+                continue;
+            }
+            local giveRet = SUser.GiveItem(itemId, itemCount);
+            if (!giveRet) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    function LoadNpcConfig(NpcId) {
+        local path = format("etc/stealconfig/%d.etc", NpcId);
+        local parseFailed = false;
+        local foundNormal = false;
+        local foundRarity = false;
+        local foundEpic = false;
+
+        local config = ScriptData.GetFileData(path, function(DataTable, Data) {
+            DataTable.normal <- [];
+            DataTable.rarity <- [];
+            DataTable.epic <- [];
+
+            while (!Data.Eof()) {
+                local fragment = Data.Get();
+                if (fragment == "[normal]") {
+                    foundNormal = true;
+                    if (!ParseRewardGroup(Data, "[/normal]", DataTable.normal, path, NpcId, "normal")) {
+                        parseFailed = true;
+                        return;
+                    }
+                } else if (fragment == "[rarity]") {
+                    foundRarity = true;
+                    if (!ParseRewardGroup(Data, "[/rarity]", DataTable.rarity, path, NpcId, "rarity")) {
+                        parseFailed = true;
+                        return;
+                    }
+                } else if (fragment == "[epic]") {
+                    foundEpic = true;
+                    if (!ParseRewardGroup(Data, "[/epic]", DataTable.epic, path, NpcId, "epic")) {
+                        parseFailed = true;
+                        return;
+                    }
+                }
+            }
+        }.bindenv(this));
+
+        if (!config) {
+            print(format("StealSystem: npc %d config file not found: %s.", NpcId, path));
+            return null;
+        }
+        if (parseFailed) {
+            return null;
+        }
+        if (!foundNormal || !foundRarity || !foundEpic) {
+            print(format("StealSystem: npc %d config missing required tags in %s.", NpcId, path));
+            return null;
+        }
+        return config;
+    }
+
+    function InitPvf() {
+        Script();
+        local foundRandomCount = false;
+        local foundNpcTag = false;
+        local parseFailed = false;
+        local minCount = 0;
+        local maxCount = 0;
+        local npcList = [];
+
+        local fileData = ScriptData.GetFileData("etc/steal.etc", function(_n, Data) {
+            while (!Data.Eof()) {
+                local fragment = Data.Get();
+                if (fragment == "[random count]") {
+                    local minValue = Data.Get();
+                    local maxValue = Data.Get();
+                    if (minValue > maxValue) {
+                        print("StealSystem: [random count] min is greater than max in etc/steal.etc.");
+                        parseFailed = true;
+                        return;
+                    }
+                    minCount = minValue;
+                    maxCount = maxValue;
+                    foundRandomCount = true;
+                } else if (fragment == "[use item]") {
+                    UseItem = Data.Get();
+                } else {
+                    foundNpcTag = true;
+                    while (true) {
+                        local npcId = Data.Get();
+                        if (npcId == "[/npc list]") {
+                            break;
+                        }
+                        if (Data.Eof()) {
+                            print("StealSystem: [npc list] block missing [/npc list] in etc/steal.etc.");
+                            parseFailed = true;
+                            return;
+                        }
+                        if (typeof npcId != "integer") {
+                            print("StealSystem: [npc] contains non-integer npc id in etc/steal.etc.");
+                            parseFailed = true;
+                            return;
+                        }
+                        npcList.append(npcId);
+                    }
+                }
+            }
+        }.bindenv(this));
+
+        if (!fileData) {
+            print("StealSystem: failed to load etc/steal.etc.");
+            return false;
+        }
+        if (parseFailed) {
+            return false;
+        }
+        RandomCountMin = minCount;
+        RandomCountMax = maxCount;
+        NpcConfig = {};
+
+        foreach(_idx, npcId in npcList) {
+            local npcConfig = LoadNpcConfig(npcId);
+            if (!npcConfig) {
+                print(format("StealSystem: skip npc %d due to invalid config.", npcId));
+                continue;
+            }
+            NpcConfig.rawset(npcId, npcConfig);
+        }
+
+        return true;
+    }
+}
+
+
+Timer.SetTimeOut(function() {
+    local stealSystem = StealSystem();
+    if (!stealSystem.Loaded) {
+        print("StealSystem: initialization failed, object not registered.");
+        return;
+    }
+    getroottable()._StealSystem_ <- stealSystem;
+}, 1);
diff --git a/_DPS_/_Core/BaseClass/ScriptManager/ScriptManager.nut b/_DPS_/_Core/BaseClass/ScriptManager/ScriptManager.nut
index f02fddc..071ad83 100644
--- a/_DPS_/_Core/BaseClass/ScriptManager/ScriptManager.nut
+++ b/_DPS_/_Core/BaseClass/ScriptManager/ScriptManager.nut
@@ -63,40 +63,38 @@ class _PVF_Data_ {
     function Last() {
         if (Pos > 0) {
             Pos--;
-            return Get();
+            return Data[Pos];
         }
         return null;
     }
 
     function Seek(i) {
-        if (Pos > 0 && Pos<(Max - 1)) {
-            Pos = i;
-        }
+        if (i < 0)
+            i = 0;
+        else if (i > Max)
+            i = Max;
+        Pos = i;
     }
 
     function Seekg(i) {
-        Pos += i;
+        Seek(Pos + i);
     }
 
     function Get() {
-        local Ret = Data[Pos];
-        if (Pos<(Max - 1)) {
-            Pos++;
+        if (Pos >= Max) {
+            return null;
         }
+        local Ret = Data[Pos];
+        Pos++;
         return Ret;
     }
 
     function Eof() {
-        if (Pos == Max - 1)
-            return true;
+        return Pos >= Max;
     }
 
     function Next() {
-        if (Pos<(Max - 1)) {
-            Pos++;
-            return Get();
-        }
-        return null;
+        return Get();
     }
 }
 
@@ -217,4 +215,4 @@ class GlobaData {
     }
 
 }
-getroottable().ScriptData <- GlobaData();
\ No newline at end of file
+getroottable().ScriptData <- GlobaData();
diff --git a/_DPS_/_Core/CallBack/Use_Item_Sp.nut b/_DPS_/_Core/CallBack/Use_Item_Sp.nut
index 585d8cd..b7520fb 100644
--- a/_DPS_/_Core/CallBack/Use_Item_Sp.nut
+++ b/_DPS_/_Core/CallBack/Use_Item_Sp.nut
@@ -22,7 +22,9 @@ Cb_History_ItemDown_Func["UseSharedEffectItem"] <- function(SUser, Data) {
         local ItemId = Data[15].tointeger();
         if (ItemId in Cb_Use_Item_Sp_Func) {
             if (SUser) {
-                Cb_Use_Item_Sp_Func[ItemId](SUser, ItemId);
+                Timer.SetTimeOut(function() {
+                    Cb_Use_Item_Sp_Func[ItemId](SUser, ItemId);
+                }, 1);
             }
         }
     }