修正了种子编译器的错误

lib/core/Handles/HandlesAnnAssign.py

@@ -521,6 +521,11 @@ class AnnAssignHandle(BaseHandle):
             InitValue: ir.Value | None = None
             if Node.value:
                 InitValue = self.HandleExprLlvm(Node.value, VarType=VarType)
+                # 闭包变量追踪：当赋值右侧是返回闭包的函数调用时，记录变量为闭包类型
+                if isinstance(Node.value, ast.Call) and isinstance(Node.value.func, ast.Name):
+                    CalledName: str = Node.value.func.id
+                    if CalledName in Gen._closure_return_types:
+                        Gen._closure_var_types[VarName] = Gen._closure_return_types[CalledName]
             if VarName in Gen._reg_values:
                 del Gen._reg_values[VarName]
             if VarName in Gen.variables and Gen.variables[VarName] is not None: