fix: SyntaxError

Author: CreeperIsASpy

Plain_Craft_Launcher_2/Pages/PageLaunch/PageLaunchLeft.py

@@ -12,7 +12,7 @@ def __init__(self, parent=None):
         self.setFixedWidth(300)
 
         # 设置背景色
-        self.setStyleSheet(f"background-color: {ModSetup().get_settings("ColorBrush0")};")
+        self.setStyleSheet(f"background-color: {ModSetup().get_settings('ColorBrush0')};")
 
         # 设置对齐方式
         self.setContentsMargins(0, 0, 0, 0)