diff --git a/app/(tabs)/ask.tsx b/app/(tabs)/ask.tsx
index 5575d5c..ac9bb8e 100644
--- a/app/(tabs)/ask.tsx
+++ b/app/(tabs)/ask.tsx
@@ -1,4 +1,5 @@
 import ReturnArrow from "@/assets/icons/svg/returnArrow.svg";
+import AskHello from "@/components/ask/hello";
 import { ThemedText } from "@/components/ThemedText";
 import { fetchApi } from "@/lib/server-api-util";
 import { Message } from "@/types/ask";
@@ -271,7 +272,7 @@ export default function AskScreen() {
                             }
                         ]}
                     >
-                        {/* <AskHello setUserMessages={setUserMessages} setConversationId={setConversationId} setIsHello={setIsHello} /> */}
+                        <AskHello setUserMessages={setUserMessages} setConversationId={setConversationId} setIsHello={setIsHello} />
                     </Animated.View>
 
                     {/* 聊天页面 */}
diff --git a/components/ask/hello.tsx b/components/ask/hello.tsx
index f72ef93..a291afd 100644
--- a/components/ask/hello.tsx
+++ b/components/ask/hello.tsx
@@ -1,7 +1,7 @@
 import { ThemedText } from "@/components/ThemedText";
 import { webSocketManager } from "@/lib/websocket-util";
 import { Message } from "@/types/ask";
-import { Dispatch, SetStateAction } from "react";
+import { Dispatch, SetStateAction, useCallback, useRef } from "react";
 import { useTranslation } from "react-i18next";
 import { Dimensions, Image, StyleSheet, TouchableOpacity, View } from 'react-native';
 import { createNewConversation } from "./utils";
@@ -16,36 +16,63 @@ export default function AskHello({ setUserMessages, setConversationId, setIsHell
     const width = Dimensions.get('window').width;
     const height = Dimensions.get('window').height;
 
-    const handleCase = async (text: string) => {
-        setIsHello(false);
-        setUserMessages([
-            {
-                id: Math.random().toString(36).substring(2, 9),
-                content: text,
-                role: 'user',
-                timestamp: new Date().toISOString()
-            },
-            {
-                id: Math.random().toString(36).substring(2, 9),
-                content: "keepSearchIng",
-                role: 'assistant',
-                timestamp: new Date().toISOString()
-            }
-        ]);
+    // 
+    const inFlightRef = useRef(false);
+
+    const handleCase = useCallback(async (text: string) => {
+        if (inFlightRef.current) return;
+        inFlightRef.current = true;
+        try {
+            // UI
+            setIsHello(false);
+            setUserMessages([
+                {
+                    id: Math.random().toString(36).substring(2, 9),
+                    content: text,
+                    role: 'user',
+                    timestamp: new Date().toISOString()
+                },
+                {
+                    id: Math.random().toString(36).substring(2, 9),
+                    content: "keepSearchIng",
+                    role: 'assistant',
+                    timestamp: new Date().toISOString()
+                }
+            ]);
+
+            const sessionId = await createNewConversation(text);
+            if (!sessionId) {
+                console.error("Failed to create a new conversation.");
+                // 
+                setUserMessages(prev => prev.filter(item => item.content !== 'keepSearchIng'));
+                return;
+            }
 
-        const sessionId = await createNewConversation(text);
-        if (sessionId) {
             setConversationId(sessionId);
-            webSocketManager.send({
-                type: 'Chat',
-                session_id: sessionId,
-                message: text
-            });
-        } else {
-            console.error("Failed to create a new conversation.");
+            try {
+                if (webSocketManager && typeof (webSocketManager as any).send === 'function') {
+                    (webSocketManager as any).send({
+                        type: 'Chat',
+                        session_id: sessionId,
+                        message: text
+                    });
+                } else {
+                    throw new Error('WebSocket manager is not ready');
+                }
+            } catch (wsErr) {
+                console.error('WebSocket send failed:', wsErr);
+                // 
+                setUserMessages(prev => prev.filter(item => item.content !== 'keepSearchIng'));
+            }
+        } catch (err) {
+            console.error('handleCase failed:', err);
+            // 
             setUserMessages(prev => prev.filter(item => item.content !== 'keepSearchIng'));
+        } finally {
+            inFlightRef.current = false;
         }
-    }
+    }, [setConversationId, setIsHello, setUserMessages]);
+
     return (
         <View className="flex-1 bg-white w-full">
             {/* <ScrollView
@@ -106,7 +133,6 @@ const styles = StyleSheet.create({
         flexDirection: 'row',
         flexWrap: 'wrap',
         justifyContent: 'center',
-        gap: 8,
         width: '100%',
         marginTop: 16
     },
@@ -115,6 +141,8 @@ const styles = StyleSheet.create({
         borderColor: "#AC7E35",
         borderRadius: 10,
         paddingHorizontal: 8,
+        marginHorizontal: 4,
+        marginVertical: 4,
         width: 'auto',
         fontSize: 14,
         color: "#4C320C"