fix: 修复浮窗不显示文字问题，深色/浅色模式字体颜色异常问题

app/common/notification/notification_service.py

@@ -36,6 +36,39 @@
             self.layout.addWidget(widget)
             self.content_widgets.append(widget)
 
+        # 确保新添加的 BodyLabel 可见：根据主题强制设置前景色
+        try:
+            from app.tools.personalised import is_dark_theme
+            from qfluentwidgets import qconfig
+            from qfluentwidgets import BodyLabel as QFBodyLabel
+
+            fg = "#ffffff" if is_dark_theme(qconfig) else "#000000"
+
+            def apply_fg_to(w):
+                # 如果是直接的 BodyLabel，设置样式
+                if isinstance(w, QFBodyLabel):
+                    existing = w.styleSheet() or ""
+                    if "color:" not in existing:
+                        # 保留已有样式，追加颜色
+                        w.setStyleSheet(existing + f" color: {fg};")
+                else:
+                    # 遍历子控件查找 BodyLabel
+                    for child in w.findChildren(QFBodyLabel):
+                        existing = child.styleSheet() or ""
+                        if "color:" not in existing:
+                            child.setStyleSheet(existing + f" color: {fg};")
+
+            for w in self.content_widgets:
+                try:
+                    apply_fg_to(w)
+                except Exception as e:
+                    from loguru import logger
+
+                    logger.exception("Error applying fg to content widget: {}", e)
+        except Exception:
+            # 忽略主题检测错误，保持原样
+            pass
+
 
 class NotificationWindowTemplate(PageTemplate):
     """通知窗口页面模板"""
@@ -69,6 +102,16 @@
         # 设置UI
         self.setup_ui()
 
+        # 订阅主题变化，确保切换主题时更新文字颜色
+        try:
+            from qfluentwidgets import qconfig
+
+            qconfig.themeChanged.connect(self._on_theme_changed)
+        except Exception as e:
+            from loguru import logger
+
+            logger.exception("Error connecting themeChanged signal (ignored): {}", e)
+
         # 设置窗口圆角
         self.setBorderRadius(15)
 
@@ -198,7 +241,10 @@
             )
             self.update_drag_line_style()
             self.update_drag_line_container_style()
-        except:
+        except Exception as e:
+            from loguru import logger
+
+            logger.exception("Error updating background style (fallback used): {}", e)
             # 如果无法获取主题信息，默认使用白色背景和深色拖动线
             background_color = "#ffffff"
             self.background_widget.setStyleSheet(
@@ -227,7 +273,12 @@
                 self.drag_line_container.setStyleSheet(
                     f"background-color: {background_color}; border-top-left-radius: 15px; border-top-right-radius: 15px; border-bottom-left-radius: 0px; border-bottom-right-radius: 0px;"
                 )
-            except:
+            except Exception as e:
+                from loguru import logger
+
+                logger.exception(
+                    "Error updating drag line container style (fallback used): {}", e
+                )
                 # 如果无法获取主题信息，默认使用白色背景
                 self.drag_line_container.setStyleSheet(
                     "background-color: #ffffff; border-top-left-radius: 15px; border-top-right-radius: 15px; border-bottom-left-radius: 0px; border-bottom-right-radius: 0px;"
@@ -258,6 +309,20 @@
         # 设置透明度（背景和字体透明度统一）
         self.setWindowOpacity(transparency)
 
+        # 设置倒计时标签颜色，确保与背景对比
+        try:
+            from app.tools.personalised import is_dark_theme
+            from qfluentwidgets import qconfig
+
+            fg = "#ffffff" if is_dark_theme(qconfig) else "#000000"
+            existing = self.countdown_label.styleSheet() or ""
+            if "color:" not in existing:
+                self.countdown_label.setStyleSheet(existing + f" color: {fg};")
+        except Exception as e:
+            from loguru import logger
+
+            logger.exception("Error setting countdown label color: {}", e)
+
         # 根据设置定位窗口
         self.position_window(settings)
 
@@ -287,6 +352,69 @@
             self.countdown_timer.stop()
             self.countdown_label.setText("连续点击3次关闭窗口")
 
+    def _on_theme_changed(self):
+        """主题切换时更新浮窗内文字和背景颜色"""
+        try:
+            from app.tools.personalised import is_dark_theme
+            from qfluentwidgets import qconfig
+
+            fg = "#ffffff" if is_dark_theme(qconfig) else "#000000"
+
+            # 更新所有 BodyLabel 子控件颜色
+            for lbl in self.findChildren(BodyLabel):
+                try:
+                    existing = lbl.styleSheet() or ""
+                    parts = [
+                        p.strip()
+                        for p in existing.split(";")
+                        if p.strip() and not p.strip().startswith("color:")
+                    ]
+                    parts.append(f"color: {fg} !important")
+                    lbl.setStyleSheet("; ".join(parts) + ";")
+                except Exception as e:
+                    from loguru import logger
+
+                    logger.exception(
+                        "Error applying color to label child (continuing): {}", e
+                    )
+                    continue
+
+            # 更新倒计时标签颜色
+            try:
+                existing = self.countdown_label.styleSheet() or ""
+                parts = [
+                    p.strip()
+                    for p in existing.split(";")
+                    if p.strip() and not p.strip().startswith("color:")
+                ]
+                parts.append(f"color: {fg} !important")
+                self.countdown_label.setStyleSheet("; ".join(parts) + ";")
+            except Exception as e:
+                from loguru import logger
+
+                logger.exception(
+                    "Error applying countdown label color (ignored): {}", e
+                )
+                pass
+
+            # 更新背景与拖动线样式
+            try:
+                self.update_background_style()
+                self.update_drag_line_style()
+                self.update_drag_line_container_style()
+            except Exception as e:
+                from loguru import logger
+
+                logger.exception(
+                    "Error updating background/drag line styles (ignored): {}", e
+                )
+                pass
+        except Exception as e:
+            from loguru import logger
+
+            logger.exception("Error in _on_theme_changed (ignored): {}", e)
+            pass
+
     def _get_screen_from_settings(self, settings):
         """根据设置获取屏幕"""
         screen = QApplication.primaryScreen()
@@ -540,6 +668,13 @@
 
         # 立即更新倒计时显示（显示"正在抽取中"）
         self.update_countdown_display()
+        # 确保颜色与当前主题同步
+        try:
+            self._on_theme_changed()
+        except Exception as e:
+            from loguru import logger
+
+            logger.exception("Error syncing theme on show (ignored): {}", e)
 
     def on_animation_finished(self):
         """动画完成后的处理"""
@@ -561,9 +696,10 @@
         try:
             if not (self.windowFlags() & Qt.WindowDoesNotAcceptFocus):
                 self.activateWindow()
-        except Exception:
-            # 保险兜底：如果出现问题则不激活窗口
-            pass
+        except Exception as e:
+            from loguru import logger
+
+            logger.exception("Error activating window (ignored): {}", e)
 
         # 更新倒计时显示
         self.update_countdown_display()
@@ -616,6 +752,14 @@
             for label in student_labels:
                 self.content_layout.addWidget(label)
 
+        # 确保颜色与当前主题同步
+        try:
+            self._on_theme_changed()
+        except Exception as e:
+            from loguru import logger
+
+            logger.exception("Error syncing theme on update_content (ignored): {}", e)
+
         # 调整窗口大小以适应内容
         self.adjustSize()
 
@@ -673,7 +817,10 @@
             return get_content_name_async(
                 "notification_settings", "notification_result"
             )
-        except:
+        except Exception as e:
+            from loguru import logger
+
+            logger.exception("Error getting notification title (fallback used): {}", e)
             # 如果无法获取多语言文本，则使用默认文本
             return "通知结果"
 

app/page_building/page_template.py

@@ -10,6 +10,7 @@
 from PySide6.QtGui import *
 from PySide6.QtCore import *
 from PySide6.QtNetwork import *
+import loguru
 from qfluentwidgets import *
 
 from app.tools.variable import *
@@ -108,10 +109,12 @@ def create_content(self):
             self.content_created = True
 
             elapsed = time.perf_counter() - start
-            logger.debug(f"创建内容组件 {content_name} 耗时: {elapsed:.3f}s")
+            loguru.logger.debug(f"创建内容组件 {content_name} 耗时: {elapsed:.3f}s")
         except Exception as e:
             elapsed = time.perf_counter() - start
-            logger.error(f"创建内容组件失败 ({elapsed:.3f}s): {e}")
+            from loguru import logger
+
+            logger.exception(f"创建内容组件失败 ({elapsed:.3f}s): {e}")
 
     def create_empty_content(self, message="该页面正在开发中，敬请期待！"):
         """创建空页面内容"""
@@ -437,8 +440,10 @@ def load_all_pages(self, interval_ms: int = 50, max_per_tick: int = 5):
                         ]
                     ),
                 )
-        except Exception:
-            pass
+        except Exception as e:
+            from loguru import logger
+
+            logger.exception("Error scheduling batch page loads (ignored): {}", e)
 
     def on_current_index_changed(self, index: int):
         """堆叠窗口索引改变时的处理"""

app/page_building/window_template.py

@@ -169,7 +169,13 @@ def _apply_current_theme(self) -> None:
                         self.default_page.setStyleSheet(
                             "background-color: transparent;"
                         )
-                except:
+                except Exception as e:
+                    from loguru import logger
+
+                    logger.exception(
+                        "Error detecting dark mode with darkdetect (fallback to light): {}",
+                        e,
+                    )
                     # 如果检测失败，使用浅色主题
                     self.setStyleSheet("background-color: #ffffff;")
                     self.default_page.setStyleSheet("background-color: transparent;")

app/tools/history.py

@@ -450,7 +450,12 @@ def calculate_weight(students_data: list, class_name: str) -> list:
                 current_time = datetime.now()
                 days_diff = (current_time - last_time).days
                 time_factor = min(1.0, days_diff / 30.0) * 0.5
-            except:
+            except Exception as e:
+                from loguru import logger
+
+                logger.exception(
+                    "Error calculating time factor for student weights: {}", e
+                )
                 time_factor = 0.0
         else:
             time_factor = 0.0

app/tools/result_display.py

@@ -191,9 +191,21 @@ def _apply_label_style(label, font_size, animation_color):
                         style_sheet = f"font-size: {font_size}pt; "
 
                         if animation_color == 1:
-                            style_sheet += f"color: {ResultDisplayUtils._generate_vibrant_color()};"
+                            style_sheet += f"color: {ResultDisplayUtils._generate_vibrant_color()} !important;"
                         elif animation_color == 2:
-                            style_sheet += f"color: {fixed_color};"
+                            style_sheet += f"color: {fixed_color} !important;"
+                        else:
+                            try:
+                                from app.tools.personalised import is_dark_theme
+                                from qfluentwidgets import qconfig
+
+                                default_color = (
+                                    "#ffffff" if is_dark_theme(qconfig) else "#000000"
+                                )
+                                style_sheet += f"color: {default_color} !important;"
+                            except Exception:
+                                # 兜底使用黑色
+                                style_sheet += "color: #000000 !important;"
 
                         widget.setStyleSheet(style_sheet)
         else:
@@ -203,9 +215,20 @@ def _apply_label_style(label, font_size, animation_color):
                 "roll_call_settings", "animation_fixed_color"
             )
             if animation_color == 1:
-                style_sheet += f"color: {ResultDisplayUtils._generate_vibrant_color()};"
+                style_sheet += (
+                    f"color: {ResultDisplayUtils._generate_vibrant_color()} !important;"
+                )
             elif animation_color == 2:
-                style_sheet += f"color: {fixed_color};"
+                style_sheet += f"color: {fixed_color} !important;"
+            else:
+                try:
+                    from app.tools.personalised import is_dark_theme
+                    from qfluentwidgets import qconfig
+
+                    default_color = "#ffffff" if is_dark_theme(qconfig) else "#000000"
+                    style_sheet += f"color: {default_color} !important;"
+                except Exception:
+                    style_sheet += "color: #000000 !important;"
 
             label.setStyleSheet(style_sheet)