diff --git a/migrations/versions/d103d442dc24_add_password_reset_table.py b/migrations/versions/d103d442dc24_add_password_reset_table.py
index e1c7fcf..b348afa 100644
--- a/migrations/versions/d103d442dc24_add_password_reset_table.py
+++ b/migrations/versions/d103d442dc24_add_password_reset_table.py
@@ -24,31 +24,58 @@ depends_on: str | Sequence[str] | None = None
 def upgrade() -> None:
     """Upgrade schema."""
     # ### commands auto generated by Alembic - please adjust! ###
-    op.create_table("password_resets",
-    sa.Column("id", sa.Integer(), nullable=False),
-    sa.Column("user_id", sa.BigInteger(), nullable=False),
-    sa.Column("email", sqlmodel.sql.sqltypes.AutoString(), nullable=False),
-    sa.Column("reset_code", sqlmodel.sql.sqltypes.AutoString(length=8), nullable=False),
-    sa.Column("created_at", sa.DateTime(), nullable=False),
-    sa.Column("expires_at", sa.DateTime(), nullable=False),
-    sa.Column("is_used", sa.Boolean(), nullable=False),
-    sa.Column("used_at", sa.DateTime(), nullable=True),
-    sa.Column("ip_address", sqlmodel.sql.sqltypes.AutoString(), nullable=True),
-    sa.Column("user_agent", sqlmodel.sql.sqltypes.AutoString(), nullable=True),
-    sa.ForeignKeyConstraint(["user_id"], ["lazer_users.id"], ),
-    sa.PrimaryKeyConstraint("id")
-    )
-    op.create_index(op.f("ix_password_resets_email"), "password_resets", ["email"], unique=False)
-    op.create_index(op.f("ix_password_resets_user_id"), "password_resets", ["user_id"], unique=False)
-    op.drop_index(op.f("ix_two_factor_auth_id"), table_name="two_factor_auth")
-    op.drop_index(op.f("ix_two_factor_auth_user_id"), table_name="two_factor_auth")
-    op.drop_table("two_factor_auth")
-    op.drop_index(op.f("ix_user_ip_history_id"), table_name="user_ip_history")
-    op.drop_index(op.f("ix_user_ip_history_ip_address"), table_name="user_ip_history")
-    op.drop_index(op.f("ix_user_ip_history_user_id"), table_name="user_ip_history")
-    op.drop_table("user_ip_history")
-    op.drop_index(op.f("ix_session_verification_user_id"), table_name="session_verification")
-    op.drop_table("session_verification")
+    
+    # 安全创建 password_resets 表（如果不存在）
+    try:
+        op.create_table("password_resets",
+        sa.Column("id", sa.Integer(), nullable=False),
+        sa.Column("user_id", sa.BigInteger(), nullable=False),
+        sa.Column("email", sa.String(255), nullable=False),
+        sa.Column("reset_code", sa.String(8), nullable=False),
+        sa.Column("created_at", sa.DateTime(), nullable=False),
+        sa.Column("expires_at", sa.DateTime(), nullable=False),
+        sa.Column("is_used", sa.Boolean(), nullable=False),
+        sa.Column("used_at", sa.DateTime(), nullable=True),
+        sa.Column("ip_address", sa.String(255), nullable=True),
+        sa.Column("user_agent", sa.String(255), nullable=True),
+        sa.ForeignKeyConstraint(["user_id"], ["lazer_users.id"], ),
+        sa.PrimaryKeyConstraint("id")
+        )
+    except Exception:
+        # 如果表已存在，继续执行
+        pass
+    
+    # 安全创建索引
+    try:
+        op.create_index(op.f("ix_password_resets_email"), "password_resets", ["email"], unique=False)
+    except Exception:
+        pass
+        
+    try:
+        op.create_index(op.f("ix_password_resets_user_id"), "password_resets", ["user_id"], unique=False)
+    except Exception:
+        pass
+    
+    # 安全删除 two_factor_auth 表 - 先删除表（这会自动删除外键约束和索引）
+    try:
+        op.drop_table("two_factor_auth")
+    except Exception:
+        # 如果表不存在，继续执行
+        pass
+    
+    # 安全删除 user_ip_history 表
+    try:
+        op.drop_table("user_ip_history")
+    except Exception:
+        # 如果表不存在，继续执行
+        pass
+    
+    # 安全删除 session_verification 表
+    try:
+        op.drop_table("session_verification")
+    except Exception:
+        # 如果表不存在，继续执行
+        pass
     op.alter_column("beatmapsets", "nsfw",
                existing_type=mysql.TINYINT(display_width=1),
                nullable=True)
@@ -70,7 +97,14 @@ def upgrade() -> None:
     op.alter_column("beatmapsets", "download_disabled",
                existing_type=mysql.TINYINT(display_width=1),
                nullable=True)
-    op.drop_index(op.f("uq_user_achievement"), table_name="lazer_user_achievements")
+    
+    # 安全删除索引
+    try:
+        op.drop_index(op.f("uq_user_achievement"), table_name="lazer_user_achievements")
+    except Exception:
+        # 如果索引不存在或有外键约束，继续执行
+        pass
+        
     op.alter_column("scores", "has_replay",
                existing_type=mysql.TINYINT(display_width=1),
                nullable=True)