diff --git a/DeedyDesigner/Deedy.Testing/App.xaml.cs b/DeedyDesigner/Deedy.Testing/App.xaml.cs
index 29ab6e5..f2ccd89 100644
--- a/DeedyDesigner/Deedy.Testing/App.xaml.cs
+++ b/DeedyDesigner/Deedy.Testing/App.xaml.cs
@@ -16,13 +16,13 @@ namespace Deedy
 @"
 VarP var1 111
 VarP var2 222
-Func Add var1 var2
+Func Add var1x var2x
     LetP AddResult -1
-    math AddResult var1 var2 +
+    math AddResult @var1x 777 + @var2 - @var2x -
     retu AddResult
 EndF
 
-Call Add var1 var2
+Call Add @var1 99
 PopV result
 ";
             Todo todo = new Todo();
diff --git a/DeedyDesigner/Deedy.Testing/Dodo.cs b/DeedyDesigner/Deedy.Testing/Dodo.cs
index 8a77aa4..e7139c8 100644
--- a/DeedyDesigner/Deedy.Testing/Dodo.cs
+++ b/DeedyDesigner/Deedy.Testing/Dodo.cs
@@ -374,7 +374,7 @@ namespace Deedy.Testing
                 string cmd = Pre_Hand(this.Script[index]);
                 if (cmd == "whil")
                 {
-                    string cmdArgs = this.Script[index][4..].Trim();
+                    string cmdArgs = this.Script[index][cmd.Length..].Trim();
                     if (this.CmdP_Cond(cmdArgs))
                         this.Control_CurrentLine = index + 1;
                     return;
@@ -451,8 +451,8 @@ namespace Deedy.Testing
             {
                 object paramValue = this.Val_Variant(paramDefine[1]);
 
-                if (!Param_Global.TryAdd(paramDefine[0], paramValue))
-                    this.Param_Global[paramDefine[0]] = paramValue;
+                if (!Param_Global.TryAdd(paramDefine[0].TrimStart('@'), paramValue))
+                    this.Param_Global[paramDefine[0].TrimStart('@')] = paramValue;
             }
             this.Control_CurrentLine++;
         }
@@ -471,8 +471,8 @@ namespace Deedy.Testing
                 {
                     object paramValue = this.Val_Variant(paramDefine[1]);
 
-                    if (!funcHandle.LocalParams.TryAdd(paramDefine[0], paramValue))
-                        funcHandle.LocalParams[paramDefine[0]] = paramValue;
+                    if (!funcHandle.LocalParams.TryAdd(paramDefine[0].TrimStart('@'), paramValue))
+                        funcHandle.LocalParams[paramDefine[0].TrimStart('@')] = paramValue;
                 }
                 else this.CmdI_VarP(cmdArgs ?? "");
             }
@@ -556,7 +556,7 @@ namespace Deedy.Testing
                             break;
                         }
                     }
-                    this.FuncDefines.Add(new Def_FuncDefine(funcName, this.Control_CurrentLine + 1));
+                    this.FuncDefines.Add(new Def_FuncDefine(funcName, this.Control_CurrentLine));
                     this.Control_CurrentLine = index + 1;
                     return;
                 }
@@ -577,13 +577,23 @@ namespace Deedy.Testing
                 return;
             }
             string funcName = args[0];
-            for (int i = 1; i < args.Length; i++) this.Invoke_ArgsStack.Push(this.ParamGetter(args[i], 0));
+            for (int i = 1; i < args.Length; i++) this.Invoke_ArgsStack.Push(this.Val_Variant(args[i]));
             foreach (var func in this.FuncDefines)
             {
                 if (func.Name == funcName)
                 {
                     this.Invoke_FuncStack.Push(new Def_FuncInvoke(this.Control_CurrentLine + 1));
-                    this.Control_CurrentLine = func.Line;
+                    //TODO：根据「Func」指令定义声明局部变量
+                    string[] funcArgs = this.Script[func.Line].Split(' ', options: StringSplitOptions.RemoveEmptyEntries)[2..];
+                    Array.Reverse(funcArgs);
+                    for (int i = 0; i < funcArgs.Length; i++)
+                    {
+                        if (this.Invoke_ArgsStack.TryPop(out var arg))
+                        {
+                            this.CmdI_LetP($"{funcArgs[i]} {arg}");
+                        }
+                    }
+                    this.Control_CurrentLine = func.Line + 1;
                     break;
                 }
             }
@@ -595,12 +605,12 @@ namespace Deedy.Testing
         /// <param name="cmdArgs">方法名及参数表，参数表可以为空</param>
         protected void CmdI_Exec(string cmdArgs)
         {
-            string[] argParts = (cmdArgs ?? "").Split(' ', options: StringSplitOptions.RemoveEmptyEntries);
-            if (argParts.Length > 0)
+            string[] args = (cmdArgs ?? "").Split(' ', options: StringSplitOptions.RemoveEmptyEntries);
+            if (args.Length > 0)
             {
-                string procName = argParts[0];
-                for (int i = 1; i < argParts.Length; i++)
-                    this.Invoke_ArgsStack.Push(this.ParamGetter(argParts[i], 0));
+                string procName = args[0];
+                for (int i = 1; i < args.Length; i++)
+                    this.Invoke_ArgsStack.Push(this.ParamGetter(args[i], 0));
                 foreach (var func in this.FuncImports)
                 {
                     if (func.Name == procName)
@@ -618,8 +628,12 @@ namespace Deedy.Testing
         /// <param name="cmdArgs">弹出数据的存放位置</param>
         protected void CmdS_PopV(string cmdArgs)
         {
-            if (this.Invoke_ArgsStack.TryPop(out var param))
-                this.ParamSetter(cmdArgs, param);
+            string[] args = (cmdArgs ?? "").Split(' ', options: StringSplitOptions.RemoveEmptyEntries);
+            foreach (var arg in args)
+            {
+                if (this.Invoke_ArgsStack.TryPop(out var param))
+                    this.ParamSetter(arg, param);
+            }
             this.Control_CurrentLine++;
         }
         /// <summary>
@@ -628,7 +642,8 @@ namespace Deedy.Testing
         /// <param name="cmdArgs">值表达式：支持bool、double、@ParamName|string</param>
         protected void CmdS_Push(string cmdArgs)
         {
-            this.Invoke_ArgsStack.Push(this.Val_Variant(cmdArgs));
+            string[] args = (cmdArgs ?? "").Split(' ', options: StringSplitOptions.RemoveEmptyEntries);
+            foreach (var arg in args) this.Invoke_ArgsStack.Push(this.Val_Variant(arg));
             this.Control_CurrentLine++;
         }
         /// <summary>
@@ -665,7 +680,7 @@ namespace Deedy.Testing
                         case ">>": Math_ShR(stack); break;
                         case "<<": Math_ShL(stack); break;
                         default:
-                            stack.Push(this.Val_Double(this.ParamGetter(cmdParts[index], 0)));
+                            stack.Push(this.Val_Double(cmdParts[index]));
                             break;
                     }
                     index++;
@@ -1046,6 +1061,7 @@ namespace Deedy.Testing
         private void ParamSetter(string paramName, object paramValue)
         {
             //HACK：暂时不支持代码块级的局部变量
+            paramName = paramName.TrimStart('@');
             if (this.Invoke_FuncStack.TryPeek(out var funcHandle))
             {
                 if (funcHandle.LocalParams.ContainsKey(paramName))
@@ -1080,6 +1096,7 @@ namespace Deedy.Testing
         private object ParamGetter(string paramName, object @default)
         {
             //HACK：暂时不支持代码块级的局部变量
+            paramName = paramName.TrimStart('@');
             if (this.Invoke_FuncStack.TryPeek(out var funcHandle))
             {
                 if (funcHandle.LocalParams.TryGetValue(paramName, out object? localValue))