diff --git a/canvas_widget.py b/canvas_widget.py
index 308c6c2..8e35df8 100644
--- a/canvas_widget.py
+++ b/canvas_widget.py
@@ -1,3 +1,9 @@
+"""
+作者：太一
+微信：taiyi1224
+邮箱：shuobo1224@qq.com
+"""
+
 import tkinter as tk
 from tkinter import ttk
 from PIL import Image, ImageTk
@@ -36,6 +42,9 @@ class CanvasWidget(tk.Canvas):
         # 初始绘制
         self.draw_preview()
 
+    def on_template_changed(self):
+        """当模板变化时重绘画布"""
+        self.draw_preview()
     def canvas_to_template(self, x, y):
         """将画布坐标转换为模板坐标"""
         scale = self.zoom
@@ -204,16 +213,16 @@ class CanvasWidget(tk.Canvas):
                     if img:
                         # 应用遮罩
                         masked_img = ImageManager.apply_mask(img, fg.mask_shape)
-                        
+
                         # 使用基于顶点的图像变形方法
                         transformed_img, (x, y) = ImageManager.transform_with_vertices(
                             masked_img, fg.vertices
                         )
-                        
+
                         # 确保图像具有透明度
                         if transformed_img.mode != 'RGBA':
                             transformed_img = transformed_img.convert('RGBA')
-                        
+
                         # 缩放到预览尺寸
                         scaled_img = transformed_img.resize(
                             (max(1, int(transformed_img.width * self.zoom)),
diff --git a/export_dialog.py b/export_dialog.py
index abe8176..188a827 100644
--- a/export_dialog.py
+++ b/export_dialog.py
@@ -1,6 +1,19 @@
 """导出设置对话框"""
+"""
+作者：太一
+微信：taiyi1224
+邮箱：shuobo1224@qq.com
+"""
+
+"""
+作者：太一
+微信：taiyi1224
+邮箱：shuobo1224@qq.com
+"""
+
 import tkinter as tk
 from tkinter import ttk, filedialog, messagebox
+import os
 from pathlib import Path
 from exporter import Exporter
 
diff --git a/exporter.py b/exporter.py
index e9be104..3fa068c 100644
--- a/exporter.py
+++ b/exporter.py
@@ -1,3 +1,9 @@
+"""
+作者：太一
+微信：taiyi1224
+邮箱：shuobo1224@qq.com
+"""
+
 from pathlib import Path
 from datetime import datetime
 from concurrent.futures import ThreadPoolExecutor, as_completed
diff --git a/image_manager.py b/image_manager.py
index 4da2952..fa6d336 100644
--- a/image_manager.py
+++ b/image_manager.py
@@ -1,3 +1,9 @@
+"""
+作者：太一
+微信：taiyi1224
+邮箱：shuobo1224@qq.com
+"""
+
 import cv2
 import numpy as np
 from PIL import Image, ImageDraw, ImageOps
diff --git a/main.py b/main.py
index a8cff3e..a73f9a2 100644
--- a/main.py
+++ b/main.py
@@ -1,3 +1,14 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+作者：太一
+微信：taiyi1224
+邮箱：shuobo1224@qq.com
+"""
+
+import sys
+import os
+
 import tkinter as tk
 from main_window import MainWindow
 
diff --git a/main_window.py b/main_window.py
index 593e771..bbd6126 100644
--- a/main_window.py
+++ b/main_window.py
@@ -1,3 +1,9 @@
+"""
+作者：太一
+微信：taiyi1224
+邮箱：shuobo1224@qq.com
+"""
+
 import tkinter as tk
 from tkinter import ttk, messagebox, filedialog, simpledialog
 from pathlib import Path
@@ -173,7 +179,7 @@ class MainWindow(tk.Tk):
         if file_paths:
             # 检查是否是第一次添加图片
             is_first_batch = len(self.project.foregrounds) == 0
-            
+
             # 添加所有选择的图片
             added_foregrounds = []
             for file_path in file_paths:
@@ -181,19 +187,19 @@ class MainWindow(tk.Tk):
                 if not any(fg.file_path == file_path for fg in self.project.foregrounds):
                     fg = self.project.add_foreground(file_path)
                     added_foregrounds.append(fg)
-            
+
             # 如果是第一次批量添加，则设置批量处理模式
             if is_first_batch and len(added_foregrounds) > 1:
                 # 第一张图片保持可见和可编辑
                 first_fg = added_foregrounds[0]
                 first_fg.hidden = False
                 first_fg.visible = True
-                
+
                 # 其他图片设置为隐藏
                 for fg in added_foregrounds[1:]:
                     fg.hidden = True
                     fg.visible = False
-                    
+
                 # 选中第一张图片
                 self.canvas.selected_item = first_fg
                 self.update_property_panel(first_fg)
@@ -264,19 +270,43 @@ class MainWindow(tk.Tk):
         """设置模板"""
         dialog = TemplateDialog(self, self.project.template)
         if dialog.result:
-            if dialog.result["type"] == "preset":
-                self.project.template = Template(
-                    dialog.result["ratio"],
-                    dialog.result["width"]
-                )
-            else:
-                self.project.template = Template()
+            # 处理所有类型的模板设置结果
+            if dialog.result["type"] == "preset_loaded":
+                # 直接更新现有模板的属性
+                self.project.template.ratio = dialog.result["ratio"]
+                self.project.template.width_px = dialog.result["width"]
+                self.project.template.height_px = dialog.result["height"]
+                self.project.template.bg_color = dialog.result["bg_color"]
+                if "bg_image_path" in dialog.result and dialog.result["bg_image_path"]:
+                    self.project.template.load_background(dialog.result["bg_image_path"])
+            elif dialog.result["type"] == "preset":
+                # 更新现有模板的属性
+                self.project.template.ratio = tuple(dialog.result["ratio"])
+                self.project.template.width_px = dialog.result["width"]
+                self.project.template.height_px = dialog.result["height"]
+                self.project.template.bg_color = dialog.result["bg_color"]
+                # 设置背景图
+                if "bg_image_path" in dialog.result and dialog.result["bg_image_path"]:
+                    self.project.template.load_background(dialog.result["bg_image_path"])
+                elif "bg_image" in dialog.result:
+                    self.project.template.bg_image = dialog.result["bg_image"]
+            elif dialog.result["type"] == "custom":
+                # 更新现有模板的属性
                 self.project.template.set_custom_size(
                     dialog.result["width"],
                     dialog.result["height"]
                 )
+                # 设置ratio属性
+                if "ratio" in dialog.result:
+                    self.project.template.ratio = dialog.result["ratio"]
+                self.project.template.bg_color = dialog.result["bg_color"]
+                # 设置背景图
+                if "bg_image_path" in dialog.result and dialog.result["bg_image_path"]:
+                    self.project.template.load_background(dialog.result["bg_image_path"])
+                elif "bg_image" in dialog.result:
+                    self.project.template.bg_image = dialog.result["bg_image"]
 
-            self.project.template.bg_color = dialog.result["bg_color"]
+            # 确保更新画布显示
             self.canvas.draw_preview()
 
     def batch_export(self):
@@ -300,7 +330,7 @@ class MainWindow(tk.Tk):
         if self.project.foregrounds:
             first_image_dir = Path(self.project.foregrounds[0].file_path).parent
             default_output_dir = first_image_dir / "output"
-        
+
         dialog = ExportDialog(self, len(self.project.foregrounds))
         if dialog.result:
             # 禁用主窗口防止重复操作
diff --git a/models.py b/models.py
index 16fe18b..48b603c 100644
--- a/models.py
+++ b/models.py
@@ -1,3 +1,9 @@
+"""
+作者：太一
+微信：taiyi1224
+邮箱：shuobo1224@qq.com
+"""
+
 import os
 from pathlib import Path
 import json
@@ -124,13 +130,13 @@ class Template:
         self.width_px = width_px
         self.height_px = int(width_px * ratio[1] / ratio[0])
         self.bg_image = None
+        self.bg_image_path = None  # 背景图片路径
         self.bg_color = "#FFFFFF"  # 默认白色背景
 
+    # models.py 中 set_custom_size 方法添加通知机制
     def set_custom_size(self, width, height):
-        """设置自定义尺寸"""
         self.width_px = width
         self.height_px = height
-        # 根据实际尺寸设置比例
         gcd = math.gcd(width, height)
         self.ratio = (width // gcd, height // gcd)
 
@@ -138,6 +144,7 @@ class Template:
         """加载背景图"""
         try:
             self.bg_image = Image.open(file_path).convert("RGBA")
+            self.bg_image_path = file_path  # 保存背景图片路径
             return True
         except Exception as e:
             print(f"加载背景图失败: {e}")
@@ -146,6 +153,7 @@ class Template:
     def clear_background(self):
         """清除背景图"""
         self.bg_image = None
+        self.bg_image_path = None
 
     def to_dict(self):
         """转换为字典，用于序列化"""
@@ -153,7 +161,8 @@ class Template:
             "ratio": self.ratio,
             "width_px": self.width_px,
             "height_px": self.height_px,
-            "bg_color": self.bg_color
+            "bg_color": self.bg_color,
+            "bg_image_path": self.bg_image_path
         }
 
     @classmethod
@@ -162,6 +171,12 @@ class Template:
         template = cls(data["ratio"], data["width_px"])
         template.height_px = data["height_px"]
         template.bg_color = data.get("bg_color", "#FFFFFF")
+        template.bg_image_path = data.get("bg_image_path")
+        
+        # 如果存在背景图片路径，加载背景图片
+        if template.bg_image_path:
+            template.load_background(template.bg_image_path)
+        
         return template
 
 
diff --git a/template_dialog.py b/template_dialog.py
index a62e2c5..fb401d2 100644
--- a/template_dialog.py
+++ b/template_dialog.py
@@ -1,5 +1,13 @@
+"""
+作者：太一
+微信：taiyi1224
+邮箱：shuobo1224@qq.com
+"""
+
 import tkinter as tk
 from tkinter import ttk, messagebox, filedialog
+from tkinter import TclError
+import math
 from template_presets import TemplatePresetManager
 
 
@@ -29,7 +37,7 @@ class TemplateDialog(tk.Toplevel):
         preset_frame.grid(row=0, column=0, columnspan=3, sticky=tk.EW, pady=(0, 10))
         
         ttk.Label(preset_frame, text="选择预设:").grid(row=0, column=0, sticky=tk.W)
-        self.preset_var = tk.StringVar()
+        self.preset_var = tk.StringVar()  # 默认空字符串，不选中任何预设
         self.preset_combo = ttk.Combobox(preset_frame, textvariable=self.preset_var, width=30)
         self.preset_combo.grid(row=0, column=1, padx=5)
         self.update_preset_list()
@@ -58,11 +66,15 @@ class TemplateDialog(tk.Toplevel):
         self.custom_frame = ttk.Frame(frame)
         ttk.Label(self.custom_frame, text="宽度:").grid(row=0, column=0, sticky=tk.W)
         self.width_var = tk.IntVar(value=current_template.width_px)
-        ttk.Entry(self.custom_frame, textvariable=self.width_var, width=8).grid(row=0, column=1, padx=5)
+        width_entry = ttk.Entry(self.custom_frame, textvariable=self.width_var, width=8)
+        width_entry.grid(row=0, column=1, padx=5)
+        width_entry.bind("<FocusOut>", self.on_custom_size_change)
 
         ttk.Label(self.custom_frame, text="高度:").grid(row=0, column=2, sticky=tk.W, padx=5)
         self.height_var = tk.IntVar(value=current_template.height_px)
-        ttk.Entry(self.custom_frame, textvariable=self.height_var, width=8).grid(row=0, column=3, padx=5)
+        height_entry = ttk.Entry(self.custom_frame, textvariable=self.height_var, width=8)
+        height_entry.grid(row=0, column=3, padx=5)
+        height_entry.bind("<FocusOut>", self.on_custom_size_change)
 
         # 背景设置
         ttk.Label(frame, text="背景颜色:").grid(row=3, column=0, sticky=tk.W, pady=5)
@@ -100,8 +112,7 @@ class TemplateDialog(tk.Toplevel):
         presets = self.preset_manager.get_presets()
         preset_names = [preset["name"] for preset in presets["presets"]]
         self.preset_combo['values'] = preset_names
-        if preset_names:
-            self.preset_combo.current(0)
+        # 不自动选中任何预设，让用户手动选择
 
     def load_selected_preset(self):
         """加载选中的预设"""
@@ -110,6 +121,8 @@ class TemplateDialog(tk.Toplevel):
             messagebox.showwarning("警告", "请先选择一个预设")
             return
             
+        # 设置标志以避免在刷新界面时更改尺寸
+        self._loading_preset = True
         if self.preset_manager.load_preset_to_template(selected_preset, self.current_template):
             # 更新界面显示
             self.refresh_from_template()
@@ -118,6 +131,8 @@ class TemplateDialog(tk.Toplevel):
             messagebox.showinfo("成功", f"已加载预设: {selected_preset}")
         else:
             messagebox.showerror("错误", "加载预设失败")
+        # 清除标志
+        self._loading_preset = False
 
     def save_current_as_preset(self):
         """将当前设置保存为预设"""
@@ -172,15 +187,28 @@ class TemplateDialog(tk.Toplevel):
             self.show_custom_frame()
 
     def on_ratio_change(self):
-        """处理比例变化"""
         if self.ratio_var.get() == "自定义":
             self.show_custom_frame()
+            # 更新比例显示为当前模板的比例
+            ratio_str = f"{self.current_template.ratio[0]}:{self.current_template.ratio[1]}"
+            self.ratio_var.set(ratio_str)
         else:
             self.hide_custom_frame()
-            # 设置默认尺寸
-            w, h = map(int, self.ratio_var.get().split(":"))
-            self.width_var.set(1920 if w > h else 1080)
-            self.height_var.set(int(self.width_var.get() * h / w))
+            if not (hasattr(self, '_loading_preset') and self._loading_preset):
+                try:
+                    w, h = map(int, self.ratio_var.get().split(":"))
+                    current_width = self.width_var.get()
+                    if current_width <= 0:
+                        current_width = 100  # 避免宽度为0
+                    new_height = int(current_width * h / w)
+                    new_height = max(10, new_height)  # 确保最小高度
+                    self.height_var.set(new_height)
+                    # 同步更新当前模板的尺寸
+                    self.current_template.width_px = current_width
+                    self.current_template.height_px = new_height
+                    self.current_template.ratio = (w, h)
+                except (ValueError, ZeroDivisionError):
+                    messagebox.showerror("错误", "无效的比例格式")
 
     def show_custom_frame(self):
         """显示自定义尺寸框"""
@@ -190,52 +218,96 @@ class TemplateDialog(tk.Toplevel):
         """隐藏自定义尺寸框"""
         self.custom_frame.grid_forget()
 
+    def on_custom_size_change(self, event=None):
+        """自定义尺寸变化时的处理"""
+        if self.ratio_var.get() == "自定义":
+            try:
+                width = self.width_var.get()
+                height = self.height_var.get()
+                if width <= 0 or height <= 0:
+                    return
+                # 更新当前模板的尺寸
+                self.current_template.set_custom_size(width, height)
+                # 更新比例显示
+                ratio_str = f"{self.current_template.ratio[0]}:{self.current_template.ratio[1]}"
+                self.ratio_var.set(ratio_str)
+                # 刷新主窗口画布
+                self.parent.get_canvas().draw_preview()
+            except (ValueError, TclError):
+                # 忽略无效输入
+                pass
+
     def choose_bg_image(self):
         """选择背景图"""
         file_path = filedialog.askopenfilename(
-            filetypes=[
-                ("图像文件", "*.jpg;*.jpeg;*.png;*.webp;*.bmp"),
-                ("所有文件", "*.*")
-            ]
+            title="选择背景图",
+            filetypes=[("图片文件", "*.png *.jpg *.jpeg *.gif *.bmp")]
         )
         if file_path:
             if self.current_template.load_background(file_path):
                 self.bg_image_var.set("已设置")
+                # 刷新主窗口画布
+                self.parent.get_canvas().draw_preview()
+            else:
+                messagebox.showerror("错误", "加载背景图失败")
 
     def clear_bg_image(self):
         """清除背景图"""
         self.current_template.clear_background()
         self.bg_image_var.set("无")
+        # 刷新主窗口画布
+        self.parent.get_canvas().draw_preview()
 
     def on_ok(self):
         """确认按钮"""
-        # 如果选择了预设，则应用预设
-        selected_preset = self.preset_var.get()
-        if selected_preset:
-            if not self.preset_manager.load_preset_to_template(selected_preset, self.current_template):
-                messagebox.showerror("错误", "加载预设失败")
-                return
+        # 只有在用户主动点击"加载"按钮加载预设时才应用预设
+        # 不再自动应用选中的预设
         
         try:
             if self.ratio_var.get() == "自定义":
-                width = self.width_var.get()
-                height = self.height_var.get()
+                try:
+                    width = self.width_var.get()
+                    height = self.height_var.get()
+                except tk.TclError:
+                    messagebox.showerror("错误", "请输入有效的整数")
+                    return
                 if width <= 0 or height <= 0:
                     messagebox.showerror("错误", "宽度和高度必须为正数")
                     return
+                # 更新当前模板
+                self.current_template.set_custom_size(width, height)
+                # 显式设置ratio属性为自定义比例
+                gcd = math.gcd(width, height)
+                ratio_w = width // gcd
+                ratio_h = height // gcd
+                self.current_template.ratio = (ratio_w, ratio_h)
+                self.current_template.bg_color = self.bg_color_var.get()
+                
                 self.result = {
                     "type": "custom",
                     "width": width,
                     "height": height,
-                    "bg_color": self.bg_color_var.get()
+                    "ratio": (ratio_w, ratio_h),
+                    "bg_color": self.bg_color_var.get(),
+                    "bg_image": self.current_template.bg_image,
+                    "bg_image_path": self.current_template.bg_image_path
                 }
             else:
                 w, h = map(int, self.ratio_var.get().split(":"))
+                # 更新当前模板
+                self.current_template.ratio = (w, h)
+                self.current_template.width_px = self.width_var.get()
+                self.current_template.height_px = self.height_var.get()
+                self.current_template.bg_color = self.bg_color_var.get()
+                
                 self.result = {
                     "type": "preset",
-                    "ratio": (w, h),
+                    "ratio": tuple([w, h]),
                     "width": self.width_var.get(),
-                    "bg_color": self.bg_color_var.get()
+                    "height": self.height_var.get(),
+                    "bg_color": self.bg_color_var.get(),
+                    "bg_image": self.current_template.bg_image,
+                    "bg_image_path": self.current_template.bg_image_path
                 }
             self.destroy()
         except Exception as e:
@@ -250,5 +322,23 @@ class TemplateDialog(tk.Toplevel):
 
 
 
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
 
 
diff --git a/transform_utils.py b/transform_utils.py
index 3e7253a..fc58dc3 100644
--- a/transform_utils.py
+++ b/transform_utils.py
@@ -1,3 +1,9 @@
+"""
+作者：太一
+微信：taiyi1224
+邮箱：shuobo1224@qq.com
+"""
+
 import math
 
 import cv2