diff --git a/Assets/Scripts/Controller/PlayerController.cs b/Assets/Scripts/Controller/PlayerController.cs
new file mode 100644
index 00000000..d9bb945b
--- /dev/null
+++ b/Assets/Scripts/Controller/PlayerController.cs
@@ -0,0 +1,45 @@
+using QFramework;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using XMLTool;
+
+public class PlayerController : MonoSingleton<PlayerController>
+{
+    private PlayerController() { }
+
+    public class HasDevice
+    {
+        public Device device;
+        public int count;
+    }
+
+
+    Dictionary<string, HasDevice> hasDevices = new Dictionary<string, HasDevice>();
+
+    public void DropDevice(string key, int count = 1)
+    {
+        if (hasDevices.ContainsKey(key))
+        {
+            hasDevices[key].count -= count;
+            if (hasDevices[key].count <= 0)
+            {
+                hasDevices.Remove(key);
+            }
+        }
+    }
+
+    public void PickDevice(string key, int count = 1)
+    {
+        if (hasDevices.ContainsKey(key))
+        {
+            hasDevices[(string)key].count += count;
+        }
+        else
+        {
+            hasDevices.Add(key, new HasDevice() { count = count, device = DeviceController.Instance.GetDevice(key) });
+        }
+
+    }
+
+}
diff --git a/Assets/Scripts/Controller/PlayerController.cs.meta b/Assets/Scripts/Controller/PlayerController.cs.meta
new file mode 100644
index 00000000..5daecb62
--- /dev/null
+++ b/Assets/Scripts/Controller/PlayerController.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: d963e03aaa61c0241a2a7b3a8e7bf611
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/Scripts/Xml/XmlParser.cs b/Assets/Scripts/Xml/XmlParser.cs
index ebc95d0e..f7cd8253 100644
--- a/Assets/Scripts/Xml/XmlParser.cs
+++ b/Assets/Scripts/Xml/XmlParser.cs
@@ -58,6 +58,8 @@ namespace XMLTool
         public string BoxColliderCenter { get; set; }
         public bool MeshCollider { get; set; }
 
+
+        public int Count = -1;
     }