diff --git a/app/db.py b/app/db.py
index a0b84b4..1218416 100644
--- a/app/db.py
+++ b/app/db.py
@@ -21,6 +21,19 @@ if not DATABASE_URL:
 engine = create_engine(
     DATABASE_URL,
     pool_recycle=3600,
-    pool_pre_ping=True
+    pool_pre_ping=True,
+    connect_args={
+        "keepalives": 1,
+        "keepalives_idle": 30,
+        "keepalives_interval": 10,
+        "keepalives_count": 5
+    }
 )
-SessionLocal = sessionmaker(bind=engine)
\ No newline at end of file
+SessionLocal = sessionmaker(bind=engine)
+
+def get_db():
+    db = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()
\ No newline at end of file
diff --git a/app/graphql/queries.py b/app/graphql/queries.py
index 0b1e08b..8b7f4c3 100644
--- a/app/graphql/queries.py
+++ b/app/graphql/queries.py
@@ -11,7 +11,7 @@ class Query:
     @strawberry.field
     async def me(self, info: Info[CustomContext, None]) -> Optional[UserType]:
         # 从 context 获取当前登录用户
-        user = await info.context.get_current_user()
+        user = await info.context.  xzz()
         # Strawberry 会自动将 SQLAlchemy 实例映射为 UserType
         return user
 
diff --git a/app/graphql/types.py b/app/graphql/types.py
index c83bcab..d37ecbb 100644
--- a/app/graphql/types.py
+++ b/app/graphql/types.py
@@ -4,17 +4,35 @@ from datetime import datetime
 from strawberry.types import Info
 
 from app.utils.format import get_image_url
-from app.graphql.context import CustomContext
 
 @strawberry.type
 class UserType:
-    id: strawberry.ID
+    id: str
     email: str
-    name: Optional[str]
+    name: str
+    avatar: str
     handle: Optional[str]
-    avatar: Optional[str]
+    
+    # 互动统计字段
     following_count: int
     follower_count: int
+    
+    # 统计汇总字段
+    owner_project_count: int
+    owner_likes_count: int
+    owner_favorites_count: int
+    owner_shares_count: int
+    
+    admin_project_count: int
+    admin_likes_count: int
+    admin_favorites_count: int
+    admin_shares_count: int
+    
+    user_project_count: int
+    user_likes_count: int
+    user_favorites_count: int
+    user_shares_count: int
+    
     created_at: datetime
 
     # 动态解析字段：例如自动处理头像的绝对路径
diff --git a/auth/oauth/google.py b/auth/oauth/google.py
index de92dbd..e6fca5a 100644
--- a/auth/oauth/google.py
+++ b/auth/oauth/google.py
@@ -8,8 +8,9 @@ import secrets
 import json
 from urllib.parse import quote
 from dotenv import load_dotenv
+from sqlalchemy.orm import Session
 
-from app.db import SessionLocal
+from app.db import SessionLocal, get_db
 from app.models import User
 from auth.tokens import create_jwt_token, create_refresh_token, decode_token
 from app.utils.format import get_image_url
@@ -94,7 +95,13 @@ def login_google():
     return response
 
 @router.get("/auth/callback")
-async def auth_callback(request: Request, code: str, state: str, background_tasks: BackgroundTasks):
+async def auth_callback(
+    request: Request,
+    code: str,
+    state: str,
+    background_tasks: BackgroundTasks,
+    db: Session = Depends(get_db)
+):
     cookie_state = request.cookies.get("oauth_state")
 
     if not cookie_state or cookie_state != state:
@@ -121,10 +128,7 @@ async def auth_callback(request: Request, code: str, state: str, background_task
         )
 
         user_info = user_res.json()
-
-    db = SessionLocal()
     
-    try:
         user = db.query(User).filter(User.email == user_info["email"]).first()
 
         if not user:
@@ -166,8 +170,6 @@ async def auth_callback(request: Request, code: str, state: str, background_task
             
             # 这里不需要再次 refresh，除非后面还要用到更新后的 user 对象
             # db.refresh(user)
-    finally:
-        db.close()
 
     jwt_token = create_jwt_token({
         "sub": user.id,