diff --git a/sub_adjust.py b/sub_adjust.py
index 39d0678..eddc947 100644
--- a/sub_adjust.py
+++ b/sub_adjust.py
@@ -258,7 +258,7 @@ def shift_times_in_directory(directory, shift_value, shift_direction, layer_numb
         log_result_fn(f"\n\n{result_message}")
 
 def open_mail(event=None):
-    webbrowser.open("mailto:i@kayanoai.net")
+    webbrowser.open("https://github.com/thelastfantasy/sub-adjust/issues")
 
 def show_usage(root):
     usage_window = tk.Toplevel(root)
@@ -350,7 +350,7 @@ def check_queue():
     tk.Button(root, text="处理", command=on_submit).grid(row=5, columnspan=3, pady=10)
 
     # 联系作者
-    contact_label = tk.Label(root, text="联系作者: i@kayanoai.net", fg="blue", cursor="hand2")
+    contact_label = tk.Label(root, text="反馈", fg="blue", cursor="hand2")
     contact_label.grid(row=6, column=0, columnspan=3, padx=10, pady=10, sticky=tk.W)
     contact_label.bind("<Button-1>", open_mail)
     contact_label.bind("<Enter>", lambda e: contact_label.config(fg="red"))
diff --git a/sub_converter.py b/sub_converter.py
index 2ed5205..49082b3 100644
--- a/sub_converter.py
+++ b/sub_converter.py
@@ -79,7 +79,7 @@ def __init__(self, root: tk.Tk):
         self.context_menu.add_command(label="删除", command=self.clear_all)
 
         # Author contact label
-        contact_label = tk.Label(root, text="联系作者: i@kayanoai.net", fg="blue", cursor="hand2")
+        contact_label = tk.Label(root, text="反馈", fg="blue", cursor="hand2")
         contact_label.pack(anchor='w', pady=(0, 0))  # Remove unnecessary padding at the bottom
         contact_label.bind("<Button-1>", self.open_email)
         contact_label.bind("<Enter>", lambda e: contact_label.config(fg="red"))
@@ -87,7 +87,7 @@ def __init__(self, root: tk.Tk):
 
     def open_email(self, event=None):
         import webbrowser
-        webbrowser.open("mailto:i@kayanoai.net")
+        webbrowser.open("https://github.com/thelastfantasy/sub-adjust/issues")
 
     def show_context_menu(self, event):
         try:
diff --git a/timecode_converter.py b/timecode_converter.py
index dbf8377..681f362 100644
--- a/timecode_converter.py
+++ b/timecode_converter.py
@@ -154,7 +154,7 @@ def check_queue():
     root.after(100, check_queue)
 
 def open_mail(event=None):
-    webbrowser.open("mailto:i@kayanoai.net")
+    webbrowser.open("https://github.com/thelastfantasy/sub-adjust/issues")
 
 def show_usage(root):
     usage_window = tk.Toplevel(root)
@@ -209,7 +209,7 @@ def select_files():
 tk.Button(root, text="转换", command=on_convert).grid(row=4, columnspan=4, pady=10)
 
 # Contact author
-contact_label = tk.Label(root, text="联系作者: i@kayanoai.net", fg="blue", cursor="hand2")
+contact_label = tk.Label(root, text="反馈", fg="blue", cursor="hand2")
 contact_label.grid(row=5, column=0, columnspan=2, padx=10, pady=10, sticky=tk.W)
 contact_label.bind("<Button-1>", open_mail)
 contact_label.bind("<Enter>", lambda e: contact_label.config(fg="red"))