diff --git a/agent/application/application.py b/agent/application/application.py
index e62a198..25622c3 100644
--- a/agent/application/application.py
+++ b/agent/application/application.py
@@ -7,13 +7,14 @@ from application.pages.index import render_index
 
 app = rx.App(
     style={
-        # 覆盖所有标签
+        "root": {
+            "font-family": "HuaweiFont,Helvetica,Arial,PingFangSC-Regular,Hiragino Sans GB,Microsoft YaHei,微软雅黑,Microsoft JhengHei",
+        },
         "*": {
             "margin": "0",
             "padding": "0",
             "box_sizing": "border-box",
             "background-color": "transparent",
-            "font-family": "HuaweiFont,Helvetica,Arial,PingFangSC-Regular,Hiragino Sans GB,Microsoft YaHei,微软雅黑,Microsoft JhengHei",
             "gap": "0",
         },
         # 覆盖伪元素 ::before 和 ::after
diff --git a/agent/application/states/auth.py b/agent/application/states/auth.py
index 6fc7abc..34e142c 100644
--- a/agent/application/states/auth.py
+++ b/agent/application/states/auth.py
@@ -38,9 +38,6 @@ class AuthState(rx.State):
     # 验证码发送倒计时
     captcha_sending_countdown: int = 0
 
-    # 验证码发送中状态
-    is_captcha_sending: bool = False
-
     # 登录中状态
     is_logging_in: bool = False
 
diff --git a/agent/application/states/conversation.py b/agent/application/states/conversation.py
index 6710d47..d64f7aa 100644
--- a/agent/application/states/conversation.py
+++ b/agent/application/states/conversation.py
@@ -44,6 +44,7 @@ instructions: str = """
 # 行文要求
 语言通俗，逻辑完整简洁，无多余废话。
 """
+
 # 实例化智能体（因无法序列化故剥离出状态管理）
 agent: Agent = Agent(
     model=OpenAIChatModel(