diff --git a/compositions.py b/compositions.py
index 6ba58de..3a132ba 100644
--- a/compositions.py
+++ b/compositions.py
@@ -280,7 +280,7 @@ class TestScreen(Screen):
 
 
 class AppLauncher(App):
-    CSS_PATH = "styles.tcss"
+    CSS_PATH = "styles.css"
     TITLE = "测试布局"
     BINDINGS = [("escape", "quit", "退出"), ("d", "toggle_dark", "改变色调")]
     SCREENS = {
diff --git a/main.py b/main.py
index 9d11b89..ecc2b7e 100644
--- a/main.py
+++ b/main.py
@@ -250,7 +250,7 @@ class FileSelectorScreen(Screen):
 
 
 class AppLauncher(App):
-    CSS_PATH = "styles.tcss"
+    CSS_PATH = "styles.css"
     TITLE = "潜进 - 辅助记忆程序"
     BINDINGS = [("escape", "quit", "退出"), ("d", "toggle_dark", "改变色调")]
     SCREENS = {
diff --git a/styles.tcss b/styles.css
similarity index 100%
rename from styles.tcss
rename to styles.css