diff --git a/README.md b/README.md
index a35f5ba..60dc24d 100644
--- a/README.md
+++ b/README.md
@@ -15,3 +15,10 @@
 ```bash
 python lumen_profiler.py
 ```
+
+### ToDo
+
+- [ ] ウインドウサイズ変更時の再描画
+- [x] ステータスバー
+- [ ] GUI 改善
+- [ ] メッセージ表示
diff --git a/__pycache__/lumen_profiler.cpython-313.pyc b/__pycache__/lumen_profiler.cpython-313.pyc
new file mode 100644
index 0000000..9259165
--- /dev/null
+++ b/__pycache__/lumen_profiler.cpython-313.pyc
Binary files differ
diff --git a/gui_app.py b/gui_app.py
index ba496e8..f48d3f5 100644
--- a/gui_app.py
+++ b/gui_app.py
@@ -1,9 +1,9 @@
-import tkinter as tk
-from tkinter import ttk
-import tkinter.filedialog
+import os
 import threading
 import time
-import os
+import tkinter as tk
+import tkinter.filedialog
+from tkinter import ttk
 
 from PIL import Image, ImageOps, ImageTk
 
@@ -27,11 +27,9 @@
         self.file_button = tk.Button(
             self.top_frame, text="映像ファイルを開く", command=self.open_movie
         )
-        self.file_button.pack(side=tk.LEFT)
+        self.file_button.pack(side=tk.LEFT, padx=(10, 0))
         self.file_text = tk.Label(self.top_frame, text="no movie")
         self.file_text.pack(side=tk.LEFT, fill=tk.X, padx=(20, 0))
-        self.progressbar = ttk.Progressbar(self.top_frame, orient="horizontal", length=200, mode="determinate", maximum=99)
-        self.progressbar.pack(side=tk.LEFT, padx=(20, 0))
 
         # 分析フレーム
         self.analize_frame = tk.Frame(self.tkroot)
@@ -39,17 +37,17 @@
         self.analyze_button = tk.Button(
             self.analize_frame, text="分析を実行", command=self.analyze
         )
-        self.analyze_button.pack(side=tk.LEFT)
-        self.area_ratio_label = tk.Label(self.analize_frame, text="暗部の面積比率(%)")
-        self.area_ratio_label.pack(side=tk.LEFT, padx=(20, 0))
-        self.area_ratio_text = tk.Entry(self.analize_frame, width=5, justify=tk.RIGHT)
-        self.area_ratio_text.insert(tk.END, "8.0")
-        self.area_ratio_text.pack(side=tk.LEFT)
+        self.analyze_button.pack(side=tk.LEFT, padx=(10, 0))
         self.interval_label = tk.Label(self.analize_frame, text="分析フレーム間隔")
         self.interval_label.pack(side=tk.LEFT, padx=(20, 0))
         self.interval_text = tk.Entry(self.analize_frame, width=5, justify=tk.RIGHT)
         self.interval_text.insert(tk.END, "2")
         self.interval_text.pack(side=tk.LEFT)
+        self.area_ratio_label = tk.Label(self.analize_frame, text="暗部の面積比率(%)")
+        self.area_ratio_label.pack(side=tk.LEFT, padx=(20, 0))
+        self.area_ratio_text = tk.Entry(self.analize_frame, width=5, justify=tk.RIGHT)
+        self.area_ratio_text.insert(tk.END, "8.0")
+        self.area_ratio_text.pack(side=tk.LEFT)
         self.sigma_label = tk.Label(self.analize_frame, text="シグマ（輪郭の円滑性）")
         self.sigma_label.pack(side=tk.LEFT, padx=(20, 0))
         self.sigma_text = tk.Entry(self.analize_frame, width=5, justify=tk.RIGHT)
@@ -58,7 +56,7 @@
         self.save_button = tk.Button(
             self.analize_frame, text="分析結果を保存", command=self.on_save
         )
-        self.save_button.pack(side=tk.LEFT)
+        self.save_button.pack(side=tk.LEFT, padx=(20, 0))
 
         # 画像表示
         self.canvas = tk.Canvas(self.tkroot, bg="black")
@@ -70,7 +68,21 @@
             orient=tk.HORIZONTAL,
             command=self.on_time_slider_change,
         )
-        self.time_slider.pack(fill=tk.X)
+        self.time_slider.pack(fill=tk.X, padx=(10, 10))
+
+        # ステータスバー表示
+        self.status_frame = tk.Frame(self.tkroot)
+        self.status_frame.pack(fill=tk.X)
+        self.status_text = tk.Text(self.status_frame, state="disable", height=1)
+        self.status_text.pack(side=tk.LEFT, expand=True, padx=(10, 0))
+        self.progressbar = ttk.Progressbar(
+            self.status_frame,
+            orient="horizontal",
+            length=200,
+            mode="determinate",
+            maximum=99,
+        )
+        self.progressbar.pack(side=tk.LEFT, padx=(20, 10))
 
         self.tkroot.mainloop()
 
@@ -81,7 +93,9 @@
         sigma = float(self.sigma_text.get())
 
         # 分析(ワーカースレッド）
-        thread = threading.Thread(target=self.lp.profiling, args=(ratio, sigma, interval))
+        thread = threading.Thread(
+            target=self.lp.profiling, args=(ratio, sigma, interval)
+        )
         thread.start()
         while thread.is_alive():
             self.progressbar.configure(value=self.lp.progress_count % 100)
@@ -89,7 +103,7 @@
             time.sleep(0.01)
         thread.join()
         self.progressbar.configure(value=0)
-        #self.lp.profiling(ratio, sigma, interval)
+        # self.lp.profiling(ratio, sigma, interval)
 
         self.time_slider.config(to=len(self.lp.results) - 1)
         self.time_slider.set(0)
@@ -126,7 +140,9 @@
     # 分析結果を保存
     def on_save(self):
         fn = os.path.splitext(os.path.basename(self.moviefilename))[0]
-        filename = tk.filedialog.asksaveasfilename(initialfile=fn + "_分析結果.csv", filetypes=[("csv", "*.csv")])
+        filename = tk.filedialog.asksaveasfilename(
+            initialfile=fn + "_分析結果.csv", filetypes=[("csv", "*.csv")]
+        )
         if filename == "":  # cancel
             return
         self.lp.csv_output(filename)
@@ -149,6 +165,7 @@
         self.canvas.create_image(0, 0, image=self.disp, anchor=tk.NW)
         self.save_button.config(state=tk.NORMAL if self.is_analyzed else tk.DISABLED)
 
+
 # main
 if __name__ == "__main__":
     app = GuiApp()