diff --git a/Assets/PerfectWorld/Scripts/Common/DataProcess/globaldataman.cs b/Assets/PerfectWorld/Scripts/Common/DataProcess/globaldataman.cs
new file mode 100644
index 0000000000..882cef3a0e
--- /dev/null
+++ b/Assets/PerfectWorld/Scripts/Common/DataProcess/globaldataman.cs
@@ -0,0 +1,73 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using UnityEngine;
+
+[System.Serializable]
+public struct GShopBuyOption
+{
+    public uint price;           // Item price
+    public uint endTime;         // End time (year/month/day/hour/minute/second)
+    public uint time;            // Duration in seconds (0 = permanent)
+    public uint startTime;       // Start time
+    public int type;             // Time type: 0=permanent, 1=weekly, 2=monthly, -1=invalid
+    public uint day;             // Day mask for weekly/monthly
+    public uint status;          // Item status: 0=none, 1=hot, 2=new, 3=recommended, 4-12=discount levels, 13=sold out
+    public uint flag;            // Additional flags
+}
+
+[System.Serializable]
+public struct GShopItem
+{
+    public int localId;          // Localization ID
+    public int mainType;         // Main category index
+    public int subType;          // Sub-category index
+    public string icon;          // Icon file path (128 chars)
+    public uint id;              // Item object ID
+    public uint num;             // Item quantity
+    public GShopBuyOption[] buy; // Up to 4 different pricing options
+    public string desc;          // Item description (512 chars)
+    public string name;          // Item display name (32 chars)
+    public uint idGift;          // Gift item ID
+    public uint giftNum;         // Gift quantity
+    public uint giftTime;        // Gift duration
+    public uint logPrice;        // Log price
+    public uint[] ownerNpcs;     // NPCs that own this item (8 max)
+}
+
+[System.Serializable]
+public struct GShopMainType
+{
+    public string name;          // Main category name (64 chars)
+    public List<string> subTypes; // Sub-category names
+}
+
+public class GShopData
+{
+    public List<GShopItem> items;
+    public List<GShopMainType> mainTypes;
+    public uint timestamp;
+    
+    public GShopData()
+    {
+        items = new List<GShopItem>();
+        mainTypes = new List<GShopMainType>();
+        timestamp = 0;
+    }
+}
+
+// Extension methods for BinaryReader
+public static class BinaryReaderExtensions
+{
+    public static string ReadString(this BinaryReader reader, int length)
+    {
+        byte[] bytes = reader.ReadBytes(length);
+        return System.Text.Encoding.UTF8.GetString(bytes).TrimEnd('\0');
+    }
+    
+    public static string ReadWideString(this BinaryReader reader, int length)
+    {
+        byte[] bytes = reader.ReadBytes(length * 2); // Wide chars are 2 bytes each
+        return System.Text.Encoding.Unicode.GetString(bytes).TrimEnd('\0');
+    }
+}
\ No newline at end of file
diff --git a/Assets/PerfectWorld/Scripts/Common/DataProcess/globaldataman.cs.meta b/Assets/PerfectWorld/Scripts/Common/DataProcess/globaldataman.cs.meta
new file mode 100644
index 0000000000..3bd13722c1
--- /dev/null
+++ b/Assets/PerfectWorld/Scripts/Common/DataProcess/globaldataman.cs.meta
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 7a383c75c23026f4097fb53388429788
\ No newline at end of file