diff --git a/backend/apps/chat/task/llm.py b/backend/apps/chat/task/llm.py
index 353df4ee..95e92fe7 100644
--- a/backend/apps/chat/task/llm.py
+++ b/backend/apps/chat/task/llm.py
@@ -744,9 +744,14 @@ class LLMService:
     def save_sql_data(self, data_obj: Dict[str, Any]):
         try:
             data_result = data_obj.get('data')
+            limit = 1000
             if data_result:
                 data_result = prepare_for_orjson(data_result)
-                data_obj['data'] = data_result
+                if data_result and len(data_result) > limit:
+                    data_obj['data'] = data_result[:limit]
+                    data_obj['limit'] = limit
+                else:
+                    data_obj['data'] = data_result
             return save_sql_exec_data(session=self.session, record_id=self.record.id,
                                       data=orjson.dumps(data_obj).decode())
         except Exception as e:
diff --git a/frontend/src/i18n/en.json b/frontend/src/i18n/en.json
index ce90511c..3be3aeca 100644
--- a/frontend/src/i18n/en.json
+++ b/frontend/src/i18n/en.json
@@ -541,6 +541,7 @@
     "thinking": "Thinking",
     "data_analysis": "Data Analysis",
     "data_predict": "Data Prediction",
+    "data_over_limit": "The data is too large, only the first {0} entries are displayed.",
     "ds_is_invalid": "Datasource is invalid",
     "error": "Error",
     "no_data": "No Data",
@@ -602,4 +603,4 @@
     "setting_successfully": "Setting Successfully",
     "customize_theme_color": "Customize theme color"
   }
-}
\ No newline at end of file
+}
diff --git a/frontend/src/i18n/zh-CN.json b/frontend/src/i18n/zh-CN.json
index 8235df5c..ccc2267c 100644
--- a/frontend/src/i18n/zh-CN.json
+++ b/frontend/src/i18n/zh-CN.json
@@ -541,6 +541,7 @@
     "thinking": "思考中",
     "data_analysis": "数据分析",
     "data_predict": "数据预测",
+    "data_over_limit": "数据量过大，仅展示前{0}条数据",
     "ds_is_invalid": "数据源无效",
     "error": "错误",
     "no_data": "暂无数据",
@@ -602,4 +603,4 @@
     "setting_successfully": "设置成功",
     "customize_theme_color": "自定义主题色"
   }
-}
\ No newline at end of file
+}
diff --git a/frontend/src/views/chat/chat-block/ChartBlock.vue b/frontend/src/views/chat/chat-block/ChartBlock.vue
index 2d27e1aa..e961cf7b 100644
--- a/frontend/src/views/chat/chat-block/ChartBlock.vue
+++ b/frontend/src/views/chat/chat-block/ChartBlock.vue
@@ -49,6 +49,7 @@ const emits = defineEmits(['exitFullScreen'])
 const dataObject = computed<{
   fields: Array<string>
   data: Array<{ [key: string]: any }>
+  limit: number | undefined
 }>(() => {
   if (props.message?.record?.data) {
     if (typeof props.message?.record?.data === 'string') {
@@ -423,15 +424,20 @@ watch(
       </div>
     </div>
 
-    <div v-if="message?.record?.chart" class="chart-block">
-      <DisplayChartBlock
-        :id="chartId"
-        ref="chartRef"
-        :chart-type="chartType"
-        :message="message"
-        :data="data"
-      />
-    </div>
+    <template v-if="message?.record?.chart">
+      <div class="chart-block">
+        <DisplayChartBlock
+          :id="chartId"
+          ref="chartRef"
+          :chart-type="chartType"
+          :message="message"
+          :data="data"
+        />
+      </div>
+      <div v-if="dataObject.limit" class="over-limit-hint">
+        {{ t('chat.data_over_limit', [dataObject.limit]) }}
+      </div>
+    </template>
 
     <AddViewDashboard ref="addViewRef"></AddViewDashboard>
     <el-dialog
@@ -712,6 +718,11 @@ watch(
 
     margin-top: 16px;
   }
+  .over-limit-hint {
+    min-height: 24px;
+    line-height: 24px;
+    font-size: 14px;
+  }
 }
 
 .sql-block {