diff --git a/api/chat.go b/api/chat.go
index 3c95365..666bbfe 100644
--- a/api/chat.go
+++ b/api/chat.go
@@ -29,6 +29,14 @@ func SendSegmentMessage(conn *websocket.Conn, message types.ChatGPTSegmentRespon
 	_ = conn.WriteMessage(websocket.TextMessage, []byte(utils.ToJson(message)))
 }
 
+func GetErrorQuota(isGPT4 bool) float32 {
+	if isGPT4 {
+		return -0xe // special value for error
+	} else {
+		return 0
+	}
+}
+
 func TextChat(db *sql.DB, cache *redis.Client, user *auth.User, conn *websocket.Conn, instance *conversation.Conversation) string {
 	var keyword string
 	var segment []types.ChatGPTMessage
@@ -65,7 +73,7 @@ func TextChat(db *sql.DB, cache *redis.Client, user *auth.User, conn *websocket.
 		}
 		SendSegmentMessage(conn, types.ChatGPTSegmentResponse{
 			Message: defaultErrorMessage,
-			Quota:   -0xe, // special value for error
+			Quota:   GetErrorQuota(instance.IsEnableGPT4()),
 			End:     true,
 		})
 		return defaultErrorMessage
diff --git a/api/utils.go b/api/utils.go
index 6a85bce..97dd667 100644
--- a/api/utils.go
+++ b/api/utils.go
@@ -27,8 +27,6 @@ func ChatWithWeb(message []types.ChatGPTMessage, long bool) (string, []types.Cha
 		Role: "system",
 		Content: fmt.Sprintf("你将扮演AI问答助手，你的知识库不是截止于2021年9月，而是可以实时联网的，你可以提供实时联网的知识库。"+
 			"网站使用markdown链接包裹，多使用emoji和颜文字，给予用户精确的答复。"+
-			"当介绍github的用户的时候，可以使用code stats分析加入到你回答的末尾中，图片格式为 ![User Stats](https://stats.deeptrain.net/user/{username})"+
-			"当介绍github的仓库的时候，可以使用code stats分析加入到你回答的末尾中，图片格式为 ![Repo Stats](https://stats.deeptrain.net/repo/{username}/{repo})"+
 			"当前时间: %s, 实时联网搜索结果：%s",
 			time.Now().Format("2006-01-02 15:04:05"), data,
 		),
@@ -42,7 +40,7 @@ func GetRandomKey(apikey string) string {
 }
 
 func StringCleaner(content string) string {
-	for _, replacer := range []string{",", "、", "，", "。", "：", ":", "；", ";", "！", "!", "？", "?", "（", "）", "(", ")", "关键字", "空"} {
+	for _, replacer := range []string{",", "、", "，", "。", "：", ":", "；", ";", "！", "!", "=", "？", "?", "（", "）", "(", ")", "关键字", "空", "1+1"} {
 		content = strings.ReplaceAll(content, replacer, " ")
 	}
 	return strings.TrimSpace(content)
diff --git a/app/src/conversation/manager.ts b/app/src/conversation/manager.ts
index d419a78..c5afff3 100644
--- a/app/src/conversation/manager.ts
+++ b/app/src/conversation/manager.ts
@@ -28,7 +28,7 @@ export class Manager {
     console.debug(
       `[manager] conversation receive message (id: ${idx}, length: ${message.length})`,
     );
-    this.dispatch(setMessages(message));
+    if (idx === this.current) this.dispatch(setMessages(message));
   }
 
   public getCurrent(): number {
diff --git a/app/src/store/chat.ts b/app/src/store/chat.ts
index c424a14..cac9af9 100644
--- a/app/src/store/chat.ts
+++ b/app/src/store/chat.ts
@@ -32,7 +32,10 @@ const chatSlice = createSlice({
     },
     addHistory: (state, action) => {
       const name = action.payload.message as string;
-      const id = Math.max(...state.history.map((item) => item.id)) + 1;
+      const id = state.history.length ?
+          Math.max(...state.history.map((item) => item.id)) + 1
+        : 1;
+
       state.history = insertStart(state.history, { id, name, message: [] });
       state.current = id;
       action.payload.hook(id);
diff --git a/conversation/storage.go b/conversation/storage.go
index d88add1..bb69212 100644
--- a/conversation/storage.go
+++ b/conversation/storage.go
@@ -9,7 +9,7 @@ import (
 
 func (c *Conversation) SaveConversation(db *sql.DB) bool {
 	data := utils.ToJson(c.GetMessage())
-	query := "INSERT INTO conversation (user_id, conversation_id, conversation_name, data) VALUES (?, ?, ?, ?) ON DUPLICATE KEY UPDATE conversation_name = VALUES(conversation_name), data = VALUES(data)"
+	query := `INSERT INTO conversation (user_id, conversation_id, conversation_name, data) VALUES (?, ?, ?, ?) ON DUPLICATE KEY UPDATE conversation_name = VALUES(conversation_name), data = VALUES(data)`
 
 	stmt, err := db.Prepare(query)
 	if err != nil {
@@ -59,7 +59,7 @@ func LoadConversation(db *sql.DB, userId int64, conversationId int64) *Conversat
 
 func LoadConversationList(db *sql.DB, userId int64) []Conversation {
 	var conversationList []Conversation
-	rows, err := db.Query("SELECT conversation_id, conversation_name FROM conversation WHERE user_id = ?", userId)
+	rows, err := db.Query("SELECT conversation_id, conversation_name FROM conversation WHERE user_id = ? ORDER BY conversation_id LIMIT 100", userId)
 	if err != nil {
 		return conversationList
 	}
diff --git a/go.mod b/go.mod
index 6f42afd..3eb3657 100644
--- a/go.mod
+++ b/go.mod
@@ -23,7 +23,7 @@ require (
 	github.com/go-playground/universal-translator v0.18.1 // indirect
 	github.com/go-playground/validator/v10 v10.14.0 // indirect
 	github.com/goccy/go-json v0.10.2 // indirect
-	github.com/google/uuid v1.3.0 // indirect
+	github.com/google/uuid v1.3.1 // indirect
 	github.com/gorilla/websocket v1.5.0 // indirect
 	github.com/hashicorp/hcl v1.0.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
diff --git a/go.sum b/go.sum
index 0ad7135..7e7f593 100644
--- a/go.sum
+++ b/go.sum
@@ -151,6 +151,8 @@ github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm4
 github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
 github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/google/uuid v1.3.1 h1:KjJaJ9iWZ3jOFZIf1Lqf4laDRCasjl0BCmnEGxkdLb4=
+github.com/google/uuid v1.3.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+vpHVxEJEs9eg=
 github.com/googleapis/gax-go/v2 v2.0.5/go.mod h1:DWXyrwAJ9X0FpwwEdw+IPEYBICEFu5mhpdKc/us6bOk=
 github.com/googleapis/google-cloud-go-testing v0.0.0-20200911160855-bcd43fbb19e8/go.mod h1:dvDLG8qkwmyD9a/MJJN3XJcT3xFxOKAvTZGvuZmac9g=
diff --git a/utils/char.go b/utils/char.go
index 9d1d8b7..cfad5a2 100644
--- a/utils/char.go
+++ b/utils/char.go
@@ -45,6 +45,15 @@ func Marshal[T interface{}](data T) string {
 	return string(res)
 }
 
+func MapToStruct[T any](data interface{}) *T {
+	val := Marshal(data)
+	if form, err := Unmarshal[T]([]byte(val)); err == nil {
+		return &form
+	} else {
+		return nil
+	}
+}
+
 func ToInt(value string) int {
 	if res, err := strconv.Atoi(value); err == nil {
 		return res
diff --git a/web/search.go b/web/search.go
index 7783b15..458a390 100644
--- a/web/search.go
+++ b/web/search.go
@@ -24,6 +24,9 @@ func RequestWithUA(url string) string {
 
 func SearchBing(q string) string {
 	uri := GetBingUrl(q)
+	if res := CallPilotAPI(uri); res != nil {
+		return utils.Marshal(res.Results)
+	}
 	data := RequestWithUA(uri)
 	return ParseBing(data)
 }
diff --git a/web/webpilot.go b/web/webpilot.go
new file mode 100644
index 0000000..19af71f
--- /dev/null
+++ b/web/webpilot.go
@@ -0,0 +1,36 @@
+package web
+
+import (
+	"chat/utils"
+	"github.com/google/uuid"
+)
+
+type PilotResponseResult struct {
+	Title   string `json:"title"`
+	Link    string `json:"link"`
+	Snippet string `json:"snippet"`
+}
+
+type PilotResponse struct {
+	Results []PilotResponseResult `json:"extra_search_results" required:"true"`
+}
+
+func GenerateFriendUID() string {
+	return uuid.New().String()
+}
+
+func CallPilotAPI(url string) *PilotResponse {
+	data, err := utils.Post("https://webreader.webpilotai.com/api/visit-web", map[string]string{
+		"Content-Type":        "application/json",
+		"WebPilot-Friend-UID": GenerateFriendUID(),
+	}, map[string]interface{}{
+		"link":             url,
+		"user_has_request": false,
+	})
+
+	if err != nil {
+		return nil
+	}
+
+	return utils.MapToStruct[PilotResponse](data)
+}