提升暴雨产图效率

app/services/qgis/template_cache.py

@@ -75,7 +75,7 @@ class TemplateCache:
         logger.info(f"  模板已缓存: {os.path.basename(template_path)} ({len(self._cache)} 个)")
 
     def restore_template(self, template_path: str) -> tuple:
-        """从缓存恢复模板（跳过图层解析以加速）"""
+        """从缓存恢复模板"""
         cached = self._cache.get(template_path)
         if not cached:
             raise RuntimeError(f"模板未缓存: {template_path}")
@@ -83,10 +83,8 @@ class TemplateCache:
         project = QgsProject.instance()
         t0 = time.time()
 
-        # FlagDontResolveLayers: 跳过数据库连接验证，缓存文件已含正确连接
-        flags = QgsProject.ReadFlags()
-        flags |= QgsProject.FlagDontResolveLayers
-        project.read(cached["file"], flags)
+        # 大部分图层已 GPKG 本地化，不需要 FlagDontResolveLayers
+        project.read(cached["file"])
 
         logger.debug(f"  恢复耗时: {time.time() - t0:.1f}s")
         return project, cached["texts"], cached["extent"]