diff --git a/backend/app/services/ci_service.py b/backend/app/services/ci_service.py
index 47a7bca..82e22f5 100644
--- a/backend/app/services/ci_service.py
+++ b/backend/app/services/ci_service.py
@@ -432,16 +432,16 @@ class CIService:
             logger.info(f"🔄 Updating repo at {target_dir}")
             try:
                 # git fetch --all
-                subprocess.run(["git", "fetch", "--all"], cwd=target_dir, check=True)
+                subprocess.run(["git", "fetch", "-q", "--all"], cwd=target_dir, check=True)
                 
                 if pr_number:
                     # Fetch PR ref specifically from base repo: refs/pull/ID/head
                     logger.info(f"📥 Fetching PR ref: refs/pull/{pr_number}/head")
-                    subprocess.run(["git", "fetch", "origin", f"refs/pull/{pr_number}/head"], cwd=target_dir, check=True)
-                    subprocess.run(["git", "checkout", "FETCH_HEAD"], cwd=target_dir, check=True)
+                    subprocess.run(["git", "fetch", "-q", "origin", f"refs/pull/{pr_number}/head"], cwd=target_dir, check=True)
+                    subprocess.run(["git", "checkout", "-q", "FETCH_HEAD"], cwd=target_dir, check=True)
                 else:
                     # git checkout branch
-                    subprocess.run(["git", "checkout", branch], cwd=target_dir, check=True)
+                    subprocess.run(["git", "checkout", "-q", branch], cwd=target_dir, check=True)
                     # git reset --hard origin/branch
                     subprocess.run(["git", "reset", "--hard", f"origin/{branch}"], cwd=target_dir, check=True)
             except Exception as e:
@@ -457,10 +457,10 @@ class CIService:
                 
                 if pr_number:
                     logger.info(f"📥 Fetching PR ref: refs/pull/{pr_number}/head")
-                    subprocess.run(["git", "fetch", "origin", f"refs/pull/{pr_number}/head"], cwd=target_dir, check=True)
-                    subprocess.run(["git", "checkout", "FETCH_HEAD"], cwd=target_dir, check=True)
+                    subprocess.run(["git", "fetch", "-q", "origin", f"refs/pull/{pr_number}/head"], cwd=target_dir, check=True)
+                    subprocess.run(["git", "checkout", "-q", "FETCH_HEAD"], cwd=target_dir, check=True)
                 else:
-                    subprocess.run(["git", "checkout", branch], cwd=target_dir, check=True)
+                    subprocess.run(["git", "checkout", "-q", branch], cwd=target_dir, check=True)
             except Exception as e:
                 logger.error(f"Git clone failed: {e}")
                 raise e
diff --git a/docker-compose.yml b/docker-compose.yml
index 97ac304..c3c47f5 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -37,7 +37,7 @@ services:
     extra_hosts:
       - "host.docker.internal:host-gateway"
     volumes:
-      - ./backend/app:/app/app:ro  # 挂载代码目录，修改后自动生效
+      - ./backend/app:/app/app:ro # 挂载代码目录，修改后自动生效
       - backend_uploads:/app/uploads
       - chroma_data:/app/data/vector_db
       - /var/run/docker.sock:/var/run/docker.sock # 沙箱执行必须
@@ -65,7 +65,7 @@ services:
       redis:
         condition: service_healthy
     # 开发模式：启用 --reload 热重载
-    command: sh -c ".venv/bin/alembic upgrade head && .venv/bin/uvicorn app.main:app --host 0.0.0.0 --port 8000 --reload"
+    command: sh -c ".venv/bin/alembic upgrade head && .venv/bin/uvicorn app.main:app --host 0.0.0.0 --port 8000 --reload --reload-exclude 'data/*'"
     networks:
       - deepaudit-network