diff --git a/src/api/project_routes.py b/src/api/project_routes.py
index 0b53d51..098b0c3 100644
--- a/src/api/project_routes.py
+++ b/src/api/project_routes.py
@@ -21,6 +21,19 @@ def _registry() -> ProjectRegistry:
 async def list_projects():
     reg = _registry()
     projects = reg.list_projects()
+    # 实时统计每个项目的任务数
+    from src.blackboard.db import Blackboard
+    from pathlib import Path
+    for pid, info in projects.items():
+        if info.get("status") in ("archived", "deleted"):
+            continue
+        db_path = Path(reg.root) / pid / "blackboard.db"
+        if db_path.exists():
+            try:
+                bb = Blackboard(db_path)
+                info['task_count'] = bb.count_tasks()
+            except Exception:
+                pass
     return {"projects": {pid: info for pid, info in projects.items()
                          if info.get("status") not in ("archived", "deleted")}}