diff --git a/frontend/src/views/chat/component/charts/Bar.ts b/frontend/src/views/chat/component/charts/Bar.ts
index e3597dfd4..c14950823 100644
--- a/frontend/src/views/chat/component/charts/Bar.ts
+++ b/frontend/src/views/chat/component/charts/Bar.ts
@@ -3,6 +3,7 @@ import type { ChartAxis, ChartData } from '@/views/chat/component/BaseChart.ts'
 import type { G2Spec } from '@antv/g2'
 import {
   checkIsPercent,
+  formatNumber,
   getAxesWithFilter,
   processMultiQuotaData,
 } from '@/views/chat/component/charts/utils.ts'
@@ -104,6 +105,9 @@ export class Bar extends BaseG2Chart {
           labelAutoRotate: false,
           labelAutoWrap: true,
           labelAutoEllipsis: true,
+          labelFormatter: (value: any) => {
+            return String(formatNumber(value))
+          },
         },
       },
       scale: {
@@ -123,10 +127,13 @@ export class Bar extends BaseG2Chart {
         if (series.length > 0) {
           return {
             name: data[series[0].value],
-            value: `${data[y[0].value]}${_data.isPercent ? '%' : ''}`,
+            value: `${formatNumber(data[y[0].value])}${_data.isPercent ? '%' : ''}`,
           }
         } else {
-          return { name: y[0].name, value: `${data[y[0].value]}${_data.isPercent ? '%' : ''}` }
+          return {
+            name: y[0].name,
+            value: `${formatNumber(data[y[0].value])}${_data.isPercent ? '%' : ''}`,
+          }
         }
       },
       labels: this.showLabel
@@ -137,7 +144,7 @@ export class Bar extends BaseG2Chart {
                 if (value === undefined || value === null) {
                   return ''
                 }
-                return `${value}${_data.isPercent ? '%' : ''}`
+                return `${formatNumber(value)}${_data.isPercent ? '%' : ''}`
               },
               position: (data: any) => {
                 if (data[y[0].value] < 0) {
diff --git a/frontend/src/views/chat/component/charts/Column.ts b/frontend/src/views/chat/component/charts/Column.ts
index 7504cfa2c..8128caa63 100644
--- a/frontend/src/views/chat/component/charts/Column.ts
+++ b/frontend/src/views/chat/component/charts/Column.ts
@@ -3,6 +3,7 @@ import type { ChartAxis, ChartData } from '@/views/chat/component/BaseChart.ts'
 import type { G2Spec } from '@antv/g2'
 import {
   checkIsPercent,
+  formatNumber,
   getAxesWithFilter,
   processMultiQuotaData,
 } from '@/views/chat/component/charts/utils.ts'
@@ -95,6 +96,9 @@ export class Column extends BaseG2Chart {
         },
         y: {
           title: false, // y[0].name,
+          labelFormatter: (value: any) => {
+            return String(formatNumber(value))
+          },
         },
       },
       scale: {
@@ -114,10 +118,13 @@ export class Column extends BaseG2Chart {
         if (series.length > 0) {
           return {
             name: data[series[0].value],
-            value: `${data[y[0].value]}${_data.isPercent ? '%' : ''}`,
+            value: `${formatNumber(data[y[0].value])}${_data.isPercent ? '%' : ''}`,
           }
         } else {
-          return { name: y[0].name, value: `${data[y[0].value]}${_data.isPercent ? '%' : ''}` }
+          return {
+            name: y[0].name,
+            value: `${formatNumber(data[y[0].value])}${_data.isPercent ? '%' : ''}`,
+          }
         }
       },
       labels: this.showLabel
@@ -128,7 +135,7 @@ export class Column extends BaseG2Chart {
                 if (value === undefined || value === null) {
                   return ''
                 }
-                return `${value}${_data.isPercent ? '%' : ''}`
+                return `${formatNumber(value)}${_data.isPercent ? '%' : ''}`
               },
               position: (data: any) => {
                 if (data[y[0].value] < 0) {
diff --git a/frontend/src/views/chat/component/charts/Line.ts b/frontend/src/views/chat/component/charts/Line.ts
index b110ebfdb..bfa20a1bf 100644
--- a/frontend/src/views/chat/component/charts/Line.ts
+++ b/frontend/src/views/chat/component/charts/Line.ts
@@ -3,6 +3,7 @@ import type { ChartAxis, ChartData } from '@/views/chat/component/BaseChart.ts'
 import type { G2Spec } from '@antv/g2'
 import {
   checkIsPercent,
+  formatNumber,
   getAxesWithFilter,
   processMultiQuotaData,
 } from '@/views/chat/component/charts/utils.ts'
@@ -69,6 +70,9 @@ export class Line extends BaseG2Chart {
         },
         y: {
           title: false, // y[0].name,
+          labelFormatter: (value: any) => {
+            return String(formatNumber(value))
+          },
         },
       },
       scale: {
@@ -94,7 +98,7 @@ export class Line extends BaseG2Chart {
                     if (value === undefined || value === null) {
                       return ''
                     }
-                    return `${value}${_data.isPercent ? '%' : ''}`
+                    return `${formatNumber(value)}${_data.isPercent ? '%' : ''}`
                   },
                   style: {
                     dx: -10,
@@ -112,10 +116,13 @@ export class Line extends BaseG2Chart {
             if (series.length > 0) {
               return {
                 name: data[series[0].value],
-                value: `${data[y[0].value]}${_data.isPercent ? '%' : ''}`,
+                value: `${formatNumber(data[y[0].value])}${_data.isPercent ? '%' : ''}`,
               }
             } else {
-              return { name: y[0].name, value: `${data[y[0].value]}${_data.isPercent ? '%' : ''}` }
+              return {
+                name: y[0].name,
+                value: `${formatNumber(data[y[0].value])}${_data.isPercent ? '%' : ''}`,
+              }
             }
           },
         },
diff --git a/frontend/src/views/chat/component/charts/Pie.ts b/frontend/src/views/chat/component/charts/Pie.ts
index bc729f73b..d0f7227a0 100644
--- a/frontend/src/views/chat/component/charts/Pie.ts
+++ b/frontend/src/views/chat/component/charts/Pie.ts
@@ -1,7 +1,7 @@
 import { BaseG2Chart } from '@/views/chat/component/BaseG2Chart.ts'
 import type { ChartAxis, ChartData } from '@/views/chat/component/BaseChart.ts'
 import type { G2Spec } from '@antv/g2'
-import { checkIsPercent, getAxesWithFilter } from '@/views/chat/component/charts/utils.ts'
+import { checkIsPercent, formatNumber, getAxesWithFilter } from '@/views/chat/component/charts/utils.ts'
 
 export class Pie extends BaseG2Chart {
   constructor(id: string) {
@@ -48,7 +48,7 @@ export class Pie extends BaseG2Chart {
             {
               position: 'spider',
               text: (data: any) => {
-                return `${data[series[0].value]}: ${data[y[0].value]}${_data.isPercent ? '%' : ''}`
+                return `${data[series[0].value]}: ${formatNumber(data[y[0].value])}${_data.isPercent ? '%' : ''}`
               },
             },
           ]
@@ -59,7 +59,7 @@ export class Pie extends BaseG2Chart {
           (data: any) => {
             return {
               name: y[0].name,
-              value: `${data[y[0].value]}${_data.isPercent ? '%' : ''}`,
+              value: `${formatNumber(data[y[0].value])}${_data.isPercent ? '%' : ''}`,
             }
           },
         ],
diff --git a/frontend/src/views/chat/component/charts/Table.ts b/frontend/src/views/chat/component/charts/Table.ts
index e769748c1..1a4358aea 100644
--- a/frontend/src/views/chat/component/charts/Table.ts
+++ b/frontend/src/views/chat/component/charts/Table.ts
@@ -11,6 +11,7 @@ import {
 } from '@antv/s2'
 import { debounce, filter } from 'lodash-es'
 import { i18n } from '@/i18n'
+import { formatNumber } from '@/views/chat/component/charts/utils.ts'
 import '@antv/s2/dist/s2.min.css'
 
 const { t } = i18n.global
@@ -120,6 +121,10 @@ export class Table extends BaseChart {
           return {
             field: a.value,
             name: a.name,
+            formatter: (value: any) => {
+              const formatted = formatNumber(value)
+              return String(formatted)
+            },
           }
         }) ?? [],
       data: this.data,
@@ -196,7 +201,8 @@ export class Table extends BaseChart {
             container.style.fontSize = '14px'
             container.style.whiteSpace = 'pre-wrap'
 
-            const text = document.createTextNode(meta.fieldValue)
+            const formattedValue = formatNumber(meta.fieldValue)
+            const text = document.createTextNode(String(formattedValue))
             container.appendChild(text)
 
             return container
@@ -207,7 +213,7 @@ export class Table extends BaseChart {
       interaction: {
         copy: {
           enable: true,
-          withFormat: true,
+          withFormat: false,
           withHeader: true,
         },
         brushSelection: {
diff --git a/frontend/src/views/chat/component/charts/utils.ts b/frontend/src/views/chat/component/charts/utils.ts
index 6a4c70ff8..89e8a4a21 100644
--- a/frontend/src/views/chat/component/charts/utils.ts
+++ b/frontend/src/views/chat/component/charts/utils.ts
@@ -1,6 +1,39 @@
 import type { ChartAxis, ChartData } from '@/views/chat/component/BaseChart.ts'
 import { endsWith, filter, replace } from 'lodash-es'
 
+/**
+ * 为数值添加千分符，保持原有小数位数不变
+ * 纯字符串处理，避免精度丢失
+ * 支持：正负整数、小数、字符串格式的数值
+ */
+export function formatNumber(value: any): string | number {
+  if (value === null || value === undefined || value === '') {
+    return value
+  }
+
+  let str: string
+  if (typeof value === 'string') {
+    str = value.trim()
+  } else if (typeof value === 'number') {
+    str = String(value)
+  } else {
+    return value
+  }
+
+  const match = str.match(/^([+-])?(\d+)(\.(\d+))?$/)
+  if (!match) {
+    return value
+  }
+
+  const sign = match[1] || ''
+  const intPart = match[2]
+  const decPart = match[3] || ''
+
+  const formattedInt = intPart.replace(/\B(?=(\d{3})+(?!\d))/g, ',')
+
+  return sign + formattedInt + decPart
+}
+
 interface CheckedData {
   isPercent: boolean
   data: Array<ChartData>
diff --git a/g2-ssr/charts/bar.js b/g2-ssr/charts/bar.js
index 6545e4aa5..c2970583f 100644
--- a/g2-ssr/charts/bar.js
+++ b/g2-ssr/charts/bar.js
@@ -1,4 +1,4 @@
-const { checkIsPercent, getAxesWithFilter, processMultiQuotaData } = require('./utils')
+const { checkIsPercent, formatNumber, getAxesWithFilter, processMultiQuotaData } = require('./utils')
 
 function getBarOptions(baseOptions, axis, data) {
 
@@ -78,7 +78,12 @@ function getBarOptions(baseOptions, axis, data) {
         labelAutoWrap: true,
         labelAutoEllipsis: true,
       },
-      y: { title: false },
+      y: {
+        title: false,
+        labelFormatter: (value) => {
+          return String(formatNumber(value))
+        },
+      },
     },
     scale: {
       x: {
@@ -96,10 +101,10 @@ function getBarOptions(baseOptions, axis, data) {
       if (series.length > 0) {
         return {
           name: data[series[0].value],
-          value: `${data[y[0].value]}${_data.isPercent ? '%' : ''}`,
+          value: `${formatNumber(data[y[0].value])}${_data.isPercent ? '%' : ''}`,
         }
       } else {
-        return { name: y[0].name, value: `${data[y[0].value]}${_data.isPercent ? '%' : ''}` }
+        return { name: y[0].name, value: `${formatNumber(data[y[0].value])}${_data.isPercent ? '%' : ''}` }
       }
     },
     labels: [
@@ -109,7 +114,7 @@ function getBarOptions(baseOptions, axis, data) {
           if (value === undefined || value === null) {
             return ''
           }
-          return `${value}${_data.isPercent ? '%' : ''}`
+          return `${formatNumber(value)}${_data.isPercent ? '%' : ''}`
         },
         position: (data) => {
           if (data[y[0].value] < 0) {
diff --git a/g2-ssr/charts/column.js b/g2-ssr/charts/column.js
index dc7044c56..4d7e798b8 100644
--- a/g2-ssr/charts/column.js
+++ b/g2-ssr/charts/column.js
@@ -1,4 +1,4 @@
-const { checkIsPercent, getAxesWithFilter, processMultiQuotaData } = require('./utils')
+const { checkIsPercent, formatNumber, getAxesWithFilter, processMultiQuotaData } = require('./utils')
 
 function getColumnOptions(baseOptions, axis, data) {
 
@@ -77,7 +77,12 @@ function getColumnOptions(baseOptions, axis, data) {
         labelAutoWrap: true,
         labelAutoEllipsis: true,
       },
-      y: { title: false },
+      y: {
+        title: false,
+        labelFormatter: (value) => {
+          return String(formatNumber(value))
+        },
+      },
     },
     scale: {
       x: {
@@ -95,10 +100,10 @@ function getColumnOptions(baseOptions, axis, data) {
       if (series.length > 0) {
         return {
           name: data[series[0].value],
-          value: `${data[y[0].value]}${_data.isPercent ? '%' : ''}`,
+          value: `${formatNumber(data[y[0].value])}${_data.isPercent ? '%' : ''}`,
         }
       } else {
-        return { name: y[0].name, value: `${data[y[0].value]}${_data.isPercent ? '%' : ''}` }
+        return { name: y[0].name, value: `${formatNumber(data[y[0].value])}${_data.isPercent ? '%' : ''}` }
       }
     },
     labels: [
@@ -108,7 +113,7 @@ function getColumnOptions(baseOptions, axis, data) {
           if (value === undefined || value === null) {
             return ''
           }
-          return `${value}${_data.isPercent ? '%' : ''}`
+          return `${formatNumber(value)}${_data.isPercent ? '%' : ''}`
         },
         position: (data) => {
           if (data[y[0].value] < 0) {
diff --git a/g2-ssr/charts/line.js b/g2-ssr/charts/line.js
index 4e6cac293..a3742436b 100644
--- a/g2-ssr/charts/line.js
+++ b/g2-ssr/charts/line.js
@@ -1,4 +1,4 @@
-const { checkIsPercent, getAxesWithFilter, processMultiQuotaData } = require('./utils')
+const { checkIsPercent, formatNumber, getAxesWithFilter, processMultiQuotaData } = require('./utils')
 
 function getLineOptions(baseOptions, axis, data) {
 
@@ -51,7 +51,12 @@ function getLineOptions(baseOptions, axis, data) {
         labelAutoWrap: true,
         labelAutoEllipsis: true,
       },
-      y: { title: y[0].name },
+      y: {
+        title: y[0].name,
+        labelFormatter: (value) => {
+          return String(formatNumber(value))
+        },
+      },
     },
     scale: {
       x: {
@@ -75,7 +80,7 @@ function getLineOptions(baseOptions, axis, data) {
               if (value === undefined || value === null) {
                 return ''
               }
-              return `${value}${_data.isPercent ? '%' : ''}`
+              return `${formatNumber(value)}${_data.isPercent ? '%' : ''}`
             },
             style: {
               dx: -10,
@@ -92,10 +97,10 @@ function getLineOptions(baseOptions, axis, data) {
           if (series.length > 0) {
             return {
               name: data[series[0].value],
-              value: `${data[y[0].value]}${_data.isPercent ? '%' : ''}`,
+              value: `${formatNumber(data[y[0].value])}${_data.isPercent ? '%' : ''}`,
             }
           } else {
-            return { name: y[0].name, value: `${data[y[0].value]}${_data.isPercent ? '%' : ''}` }
+            return { name: y[0].name, value: `${formatNumber(data[y[0].value])}${_data.isPercent ? '%' : ''}` }
           }
         },
       },
diff --git a/g2-ssr/charts/pie.js b/g2-ssr/charts/pie.js
index 2af250d6e..bdaa62d99 100644
--- a/g2-ssr/charts/pie.js
+++ b/g2-ssr/charts/pie.js
@@ -1,4 +1,4 @@
-const { checkIsPercent, getAxesWithFilter } = require('./utils')
+const { checkIsPercent, formatNumber, getAxesWithFilter } = require('./utils')
 
 function getPieOptions(baseOptions, axis, data) {
 
@@ -35,7 +35,7 @@ function getPieOptions(baseOptions, axis, data) {
       {
         position: 'spider',
         text: (data) =>
-          `${data[series[0].value]}: ${data[y[0].value]}${_data.isPercent ? '%' : ''}`,
+          `${data[series[0].value]}: ${formatNumber(data[y[0].value])}${_data.isPercent ? '%' : ''}`,
       },
     ],
     tooltip: {
@@ -44,7 +44,7 @@ function getPieOptions(baseOptions, axis, data) {
         (data) => {
           return {
             name: y[0].name,
-            value: `${data[y[0].value]}${_data.isPercent ? '%' : ''}`,
+            value: `${formatNumber(data[y[0].value])}${_data.isPercent ? '%' : ''}`,
           }
         },
       ],
diff --git a/g2-ssr/charts/utils.js b/g2-ssr/charts/utils.js
index 6edaa32a2..1af3f33b0 100644
--- a/g2-ssr/charts/utils.js
+++ b/g2-ssr/charts/utils.js
@@ -1,5 +1,38 @@
 const { endsWith, filter, replace } = require('lodash')
 
+/**
+ * 为数值添加千分符，保持原有小数位数不变
+ * 纯字符串处理，避免精度丢失
+ * 支持：正负整数、小数、字符串格式的数值
+ */
+function formatNumber(value) {
+  if (value === null || value === undefined || value === '') {
+    return value
+  }
+
+  let str
+  if (typeof value === 'string') {
+    str = value.trim()
+  } else if (typeof value === 'number') {
+    str = String(value)
+  } else {
+    return value
+  }
+
+  const match = str.match(/^([+-])?(\d+)(\.(\d+))?$/)
+  if (!match) {
+    return value
+  }
+
+  const sign = match[1] || ''
+  const intPart = match[2]
+  const decPart = match[3] || ''
+
+  const formattedInt = intPart.replace(/\B(?=(\d{3})+(?!\d))/g, ',')
+
+  return sign + formattedInt + decPart
+}
+
 function getAxesWithFilter(axes) {
   const groups = {
     x: [],
@@ -115,4 +148,4 @@ function checkIsPercent(valueAxes, data) {
   return result
 }
 
-module.exports = { checkIsPercent, getAxesWithFilter, processMultiQuotaData }
+module.exports = { checkIsPercent, formatNumber, getAxesWithFilter, processMultiQuotaData }