diff --git a/BetterGenshinImpact/Core/Script/Dependence/CustomHostFunctions.cs b/BetterGenshinImpact/Core/Script/Dependence/CustomHostFunctions.cs
new file mode 100644
index 00000000..be572296
--- /dev/null
+++ b/BetterGenshinImpact/Core/Script/Dependence/CustomHostFunctions.cs
@@ -0,0 +1,34 @@
+using Microsoft.ClearScript;
+using System;
+using System.Reflection;
+
+namespace BetterGenshinImpact.Core.Script.Dependence;
+
+public class CustomHostFunctions : HostFunctions
+{
+    /// <summary>
+    /// 创建指定维度的交错数组变量
+    /// </summary>
+    /// <typeparam name="T">数组元素类型</typeparam>
+    /// <param name="dimensions">数组维度</param>
+    /// <returns>交错数组变量</returns>
+    public object NewVarOfArr<T>(int dimensions)
+    {
+        try
+        {
+            Type arrayType = typeof(T);
+            for (int i = 0; i < dimensions; i++)
+            {
+                arrayType = arrayType.MakeArrayType();
+            }
+
+            MethodInfo newVarMethod = typeof(HostFunctions).GetMethod(nameof(newVar))!;
+            MethodInfo genericMethod = newVarMethod.MakeGenericMethod(arrayType);
+            return genericMethod.Invoke(this, new object?[] { null })!;
+        }
+        catch (Exception ex)
+        {
+            throw new InvalidOperationException($"创建维度为 {dimensions} 的数组失败: {ex.Message}", ex);
+        }
+    }
+}
diff --git a/BetterGenshinImpact/Core/Script/EngineExtend.cs b/BetterGenshinImpact/Core/Script/EngineExtend.cs
index 176f6737..e5c487f6 100644
--- a/BetterGenshinImpact/Core/Script/EngineExtend.cs
+++ b/BetterGenshinImpact/Core/Script/EngineExtend.cs
@@ -87,6 +87,7 @@ public class EngineExtend
         engine.AddHostType("BvLocator", typeof(BvLocator));
         engine.AddHostType("BvImage", typeof(BvImage));
 
+        engine.AddHostObject("host", new CustomHostFunctions());
 
         // 导入 JavaScript 模块
         // https://microsoft.github.io/ClearScript/2023/01/24/module-interop.html