diff --git a/requirements.txt b/requirements.txt
index acec49f..eb32115 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,5 @@
+pydantic<2.0
+asyncmy>=0.2.10
 fastapi>=0.95.2
 python-dotenv>=1.0.0
 sqlalchemy>=2.0.15
@@ -6,4 +8,5 @@ bcrypt>=4.0.1
 pyjwt>=2.6.0
 pytest>=7.3.1
 requests>=2.28.2
+cryptography>=42.0.2
 uvicorn[standard]>=0.21.1
diff --git a/schemas/user.py b/schemas/user.py
index f837b7a..46dc5f3 100644
--- a/schemas/user.py
+++ b/schemas/user.py
@@ -1,6 +1,6 @@
 from datetime import datetime
 from enum import Enum
-from pydantic import BaseModel, Field, model_validator
+from pydantic import BaseModel, Field, root_validator
 from typing import Optional
 
 # 用户角色枚举
@@ -27,7 +27,7 @@ class UserUpdate(BaseModel):
     description: Optional[str] = Field(None, max_length=255, description="用户描述")
 
     # 可选：确保至少更新一个字段
-    @model_validator(mode='before')
+    @root_validator
     def validate_at_least_one_field(cls, values):
         if not any(values.values()):
             raise ValueError("至少需要更新一个字段")