diff --git a/frontend/package.json b/frontend/package.json
index 50e4dbce..51c4b595 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -30,6 +30,7 @@
     "github-markdown-css": "^5.8.1",
     "highlight.js": "^11.11.1",
     "html2canvas": "^1.4.1",
+    "json-bigint": "^1.0.0",
     "lodash": "^4.17.21",
     "lodash-es": "^4.17.21",
     "markdown-it": "^14.1.0",
@@ -47,6 +48,7 @@
     "@eslint/migrate-config": "^1.5.0",
     "@types/crypto-js": "^4.2.2",
     "@types/element-resize-detector": "^1.1.6",
+    "@types/json-bigint": "^1.0.4",
     "@types/markdown-it": "^14.1.2",
     "@types/node": "^22.14.1",
     "@typescript-eslint/eslint-plugin": "^8.34.0",
diff --git a/frontend/src/utils/request.ts b/frontend/src/utils/request.ts
index ca366dfc..84db2335 100644
--- a/frontend/src/utils/request.ts
+++ b/frontend/src/utils/request.ts
@@ -12,6 +12,7 @@ import { useCache } from '@/utils/useCache'
 import { getLocale } from './utils'
 import { useAssistantStore } from '@/stores/assistant'
 import { useRouter } from 'vue-router'
+import JSONBig from 'json-bigint'
 // import { i18n } from '@/i18n'
 // const t = i18n.global.t
 const assistantStore = useAssistantStore()
@@ -61,6 +62,22 @@ class HttpService {
         'Content-Type': 'application/json',
         ...config?.headers,
       },
+      // add transformResponse to bigint
+      transformResponse: [
+        function (data) {
+          try {
+            return JSONBig.parse(data) // use JSON-bigint
+            // eslint-disable-next-line @typescript-eslint/no-unused-vars
+          } catch (e) {
+            try {
+              return JSON.parse(data)
+              // eslint-disable-next-line @typescript-eslint/no-unused-vars
+            } catch (parseError) {
+              return data
+            }
+          }
+        },
+      ],
       ...config,
     })
 
@@ -442,7 +459,7 @@ class HttpService {
 export const request = new HttpService({
   baseURL: import.meta.env.VITE_API_BASE_URL,
 })
-/* 
+/*
 const showLicenseKeyError = (msg?: string) => {
   ElMessageBox.confirm(t('license.error_tips'), {
     confirmButtonType: 'primary',
diff --git a/frontend/src/views/chat/ChatListContainer.vue b/frontend/src/views/chat/ChatListContainer.vue
index 9e3e6455..3a154b2b 100644
--- a/frontend/src/views/chat/ChatListContainer.vue
+++ b/frontend/src/views/chat/ChatListContainer.vue
@@ -230,7 +230,6 @@ function onChatRenamed(chat: Chat) {
         {{ t('qa.new_chat') }}
       </el-button>
       <el-input
-        @click.stop
         v-model="search"
         :prefix-icon="Search"
         class="search"
@@ -238,6 +237,7 @@ function onChatRenamed(chat: Chat) {
         autocomplete="off"
         :placeholder="t('qa.chat_search')"
         clearable
+        @click.stop
       />
     </el-header>
     <el-main class="chat-list">
diff --git a/frontend/src/views/chat/answer/ChartAnswer.vue b/frontend/src/views/chat/answer/ChartAnswer.vue
index 14ed3a78..1f1f4504 100644
--- a/frontend/src/views/chat/answer/ChartAnswer.vue
+++ b/frontend/src/views/chat/answer/ChartAnswer.vue
@@ -3,6 +3,7 @@ import BaseAnswer from './BaseAnswer.vue'
 import { Chat, chatApi, ChatInfo, type ChatMessage, ChatRecord, questionApi } from '@/api/chat.ts'
 import { computed, nextTick, onBeforeUnmount, onMounted, ref } from 'vue'
 import ChartBlock from '@/views/chat/chat-block/ChartBlock.vue'
+import JSONBig from 'json-bigint'
 
 const props = withDefaults(
   defineProps<{
@@ -141,7 +142,7 @@ const sendMessage = async () => {
           for (const str of split) {
             let data
             try {
-              data = JSON.parse(str.replace('data:{', '{'))
+              data = JSONBig.parse(str.replace('data:{', '{'))
             } catch (err) {
               console.error('JSON string:', str)
               throw err
@@ -198,7 +199,6 @@ const sendMessage = async () => {
                 if (!_currentChat.value.datasource) {
                   _currentChat.value.datasource = data.id
                 }
-                _currentChat.value.records[index.value].chart = data.content
                 break
               case 'finish':
                 emits('finish', currentRecord.id)