diff --git a/api/chat_session_handler.go b/api/chat_session_handler.go
index 46786f7d..28c8de91 100644
--- a/api/chat_session_handler.go
+++ b/api/chat_session_handler.go
@@ -1,6 +1,7 @@
 package main
 
 import (
+	"database/sql"
 	"encoding/json"
 	"fmt"
 	"net/http"
@@ -132,17 +133,22 @@ func (h *ChatSessionHandler) GetChatSessionsByUserID(w http.ResponseWriter, r *h
 func (h *ChatSessionHandler) GetChatSessionByUUID(w http.ResponseWriter, r *http.Request) {
 	uuid := mux.Vars(r)["uuid"]
 	session, err := h.service.GetChatSessionByUUID(r.Context(), uuid)
-	if err != nil {
-		http.Error(w, err.Error(), http.StatusNotFound)
-		return
-	}
-	session_resp := &ChatSessionResponse{
-		Uuid:      session.Uuid,
-		Topic:     session.Topic,
-		MaxLength: session.MaxLength,
-		CreatedAt: session.CreatedAt,
-		UpdatedAt: session.UpdatedAt,
-	}
+	session_resp := &ChatSessionResponse{}
+	if err != nil {
+		if err == sql.ErrNoRows {
+			session_resp.Uuid = session.Uuid
+			session_resp.MaxLength = 10
+			json.NewEncoder(w).Encode(session_resp)
+		} else {
+			http.Error(w, err.Error(), http.StatusNotFound)
+			return
+		}
+	}
+	session_resp.Uuid = session.Uuid
+	session_resp.Topic = session.Topic
+	session_resp.MaxLength = session.MaxLength
+	session_resp.CreatedAt = session.CreatedAt
+	session_resp.UpdatedAt = session.UpdatedAt
 	json.NewEncoder(w).Encode(session_resp)
 }
 
diff --git a/e2e/tests/01_register.spec.ts b/e2e/tests/01_register.spec.ts
index ae7631bb..c66a9504 100644
--- a/e2e/tests/01_register.spec.ts
+++ b/e2e/tests/01_register.spec.ts
@@ -14,5 +14,6 @@ test('test', async ({ page }) => {
   await page.getByTestId('password').locator('input').click();
   await page.getByTestId('password').locator('input').fill('@WuHao5');
   await page.getByTestId('signup').click();
+
 });
 
diff --git a/e2e/tests/07_set_session_max_len.spec.ts b/e2e/tests/07_set_session_max_len.spec.ts
new file mode 100644
index 00000000..a564d5a2
--- /dev/null
+++ b/e2e/tests/07_set_session_max_len.spec.ts
@@ -0,0 +1,38 @@
+import { test, expect } from '@playwright/test';
+
+//generate a random email address
+function randomEmail() {
+        const random = Math.random().toString(36).substring(2, 15) + Math.random().toString(36).substring(2, 15);
+        return `${random}@test.com`;
+}
+const test_email = randomEmail();
+
+test('test', async ({ page }) => {
+        await page.goto('/');
+        await page.getByTestId('email').click();
+        await page.getByTestId('email').locator('input').fill(test_email);
+        await page.getByTestId('password').locator('input').click();
+        await page.getByTestId('password').locator('input').fill('@WuHao5');
+        await page.getByTestId('signup').click();
+
+        await page.waitForTimeout(1000);
+
+        await page.getByRole('contentinfo').getByRole('button').nth(2).click();
+        // change the value of the slider
+        // Find the slider element and adjust its value
+        const sliderRailFill = await page.$('.n-slider-rail__fill')
+        expect(sliderRailFill).toBeTruthy()
+        await sliderRailFill?.evaluate((element) => {
+                element.setAttribute('style', 'width: 25%;')
+        }
+        )
+        // sliderRailFill?.setAttribute('style', 'width: 25%;')
+        await page.waitForTimeout(1000);
+        await page.locator('.n-slider-handles').click();
+        await page.locator('.n-slider').click();
+        await page.locator('.n-slider').click();
+        await page.locator('.n-slider-handles').click();
+        await page.locator('.n-slider-handles').click();
+        await page.locator('.n-slider').click();
+
+});
diff --git a/web/src/api/index.ts b/web/src/api/index.ts
index b20ebe2c..1e93d663 100644
--- a/web/src/api/index.ts
+++ b/web/src/api/index.ts
@@ -169,13 +169,8 @@ export const clearSessionChatMessages = async (sessionUuid: string) => {
 }
 
 export const getChatSessionMaxContextLength = async (sessionUuid: string) => {
-  try {
-    const response = await request.get(`/uuid/chat_sessions/${sessionUuid}`)
-    return response.data.maxLength
-  }
-  catch (error) {
-    console.error(error)
-  }
+  const response = await request.get(`/uuid/chat_sessions/${sessionUuid}`)
+  return response.data.maxLength
 }
 
 export const setChatSessionMaxContextLength = async (uuid: string, maxLength: number) => {