diff --git a/wulifang/nuke/_init_gui.py b/wulifang/nuke/_init_gui.py
index f9a70a34..98ef6340 100644
--- a/wulifang/nuke/_init_gui.py
+++ b/wulifang/nuke/_init_gui.py
@@ -57,6 +57,7 @@
     _preference,
     _project_settings,
     _prune_node,
+    _python2_project_warning,
     _random_gl_color,
     _remove_duplicated_read,
     _rename_channels,
@@ -603,5 +604,6 @@ def init_gui():
     _node_suggestion.init_gui()
     _fix_unicode_decode_error.init_gui()
     _fix_cryptomatte_name_lost.init_gui()
+    _python2_project_warning.init_gui()
     _init_cgtw()
     _g.init_once = True
diff --git a/wulifang/nuke/_python2_project_warning.py b/wulifang/nuke/_python2_project_warning.py
new file mode 100644
index 00000000..0efe146f
--- /dev/null
+++ b/wulifang/nuke/_python2_project_warning.py
@@ -0,0 +1,41 @@
+# -*- coding=UTF-8 -*-
+# pyright: strict, reportTypeCommentUsage=none
+
+from __future__ import absolute_import, division, print_function, unicode_literals
+
+TYPE_CHECKING = False
+if TYPE_CHECKING:
+    from typing import Any
+
+
+import sys
+import wulifang
+import nuke
+from wulifang._util import cast_str
+
+
+def init_gui():
+    if sys.version_info.major == 2:
+        return
+
+    raw_hook = sys.excepthook
+
+    def hook(type, value, traceback):
+        # type: (type[BaseException], BaseException, Any) -> None
+        if raw_hook:  # type: ignore
+            raw_hook(type, value, traceback)
+        if (
+            isinstance(value, NameError)
+            and value.args == ("name 'unicode' is not defined",)
+            and nuke.value(cast_str("root.name"), cast_str(""))
+        ):
+            wulifang.message.info(
+                "脚本出错，python 版本不兼容。当前工程需使用 Nuke12 以下版本。"
+            )
+
+    def cleanup():
+        if sys.excepthook == hook:
+            sys.excepthook = raw_hook
+
+    sys.excepthook = hook
+    wulifang.cleanup.add(cleanup)