fix: align resource and runtime paths

src/services/config_service.py

@@ -15,10 +15,14 @@ _CONFIG_FILENAME = "app_config.json"
 
 
 def load_config():
-    """Load app config from JSON. Returns defaults merged with file values.
+    """
+    从 JSON 文件加载应用配置。
 
-    Never raises: missing file → info log + defaults;
-                  damaged file → warning log + defaults.
+    返回默认配置与文件配置的合并字典。如果配置文件不存在、损坏或无法读取，
+    函数不会抛出异常，而是记录日志并返回默认配置。
+
+    Returns:
+        dict: 合并后的配置字典
     """
     from services.file_service import get_config_path
     config_file = get_config_path(_CONFIG_FILENAME)

src/services/file_service.py

@@ -30,8 +30,14 @@ def get_app_dir():
 
 
 def get_resource_path(relative_path):
-    """Return absolute Path for a file under <app_dir>/resources/."""
-    return get_app_dir() / "resources" / relative_path
+    """Return absolute Path for a resource file.
+
+    Development resources live under src/resources/. In a PyInstaller onedir
+    build, resources are copied next to the executable under resources/.
+    """
+    if getattr(sys, "frozen", False):
+        return get_app_dir() / "resources" / relative_path
+    return get_app_dir() / "src" / "resources" / relative_path
 
 
 def get_config_path(relative_path):