diff --git a/src/mock/chart/G2Bar.js b/src/mock/chart/G2Bar.js
index 05498d4f..14e7da05 100644
--- a/src/mock/chart/G2Bar.js
+++ b/src/mock/chart/G2Bar.js
@@ -1,16 +1,5 @@
 import Mock from 'mockjs'
-
-const r = (add = 0) => {
-  return Math.round(Math.random() * 100) + add
-}
-
-const returnMaker = (data = []) => {
-  return {
-    code: 0,
-    msg: '请求成功',
-    data
-  }
-}
+import * as fn from './_publicFunction'
 
 Mock.mock('/api/chart/G2Bar', 'post', ({body, type, url}) => {
   const _body = JSON.parse(body)
@@ -20,14 +9,14 @@ Mock.mock('/api/chart/G2Bar', 'post', ({body, type, url}) => {
       const year = ['3月', '4月', '5月', '6月', '7月', '8月', '9月', '10月', '11月']
       const data = year.map(e => ({
         year: e,
-        value: r()
+        value: fn.r()
       })).map(e => ({
         x: e.year,
         y: e.value
       })).sort((a, b) => {
         return a.y - b.y
       })
-      return returnMaker(data)
+      return fn.returnMaker(data)
     }
     default:
       return {}
diff --git a/src/mock/chart/G2Column.js b/src/mock/chart/G2Column.js
index f0a11681..852d8228 100644
--- a/src/mock/chart/G2Column.js
+++ b/src/mock/chart/G2Column.js
@@ -1,16 +1,5 @@
 import Mock from 'mockjs'
-
-const r = (add = 0) => {
-  return Math.round(Math.random() * 100) + add
-}
-
-const returnMaker = (data = []) => {
-  return {
-    code: 0,
-    msg: '请求成功',
-    data
-  }
-}
+import * as fn from './_publicFunction'
 
 Mock.mock('/api/chart/G2Column', 'post', ({body, type, url}) => {
   const _body = JSON.parse(body)
@@ -20,12 +9,12 @@ Mock.mock('/api/chart/G2Column', 'post', ({body, type, url}) => {
       const year = ['3月', '4月', '5月', '6月', '7月', '8月', '9月', '10月', '11月']
       const data = year.map(e => ({
         year: e,
-        value: r()
+        value: fn.r()
       })).map(e => ({
         x: e.year,
         y: e.value
       }))
-      return returnMaker(data)
+      return fn.returnMaker(data)
     }
     default:
       return {}
diff --git a/src/mock/chart/G2Line.js b/src/mock/chart/G2Line.js
index a459cb2c..365e56af 100644
--- a/src/mock/chart/G2Line.js
+++ b/src/mock/chart/G2Line.js
@@ -1,16 +1,5 @@
 import Mock from 'mockjs'
-
-const r = (add = 0) => {
-  return Math.round(Math.random() * 100) + add
-}
-
-const returnMaker = (data = []) => {
-  return {
-    code: 0,
-    msg: '请求成功',
-    data
-  }
-}
+import * as fn from './_publicFunction'
 
 Mock.mock('/api/chart/G2Line', 'post', ({body, type, url}) => {
   const _body = JSON.parse(body)
@@ -23,7 +12,7 @@ Mock.mock('/api/chart/G2Line', 'post', ({body, type, url}) => {
         year: e,
         value: 0
       })).map(e => {
-        e.value = last + r()
+        e.value = last + fn.r()
         last = e.value
         return e
       }).map(e => ({
@@ -31,19 +20,19 @@ Mock.mock('/api/chart/G2Line', 'post', ({body, type, url}) => {
         y: e.value
       }))
       last = 0
-      return returnMaker(data)
+      return fn.returnMaker(data)
     }
     // 阶梯折线图
     case 'step': {
       const month = ['3月', '4月', '5月', '6月', '7月', '8月', '9月', '10月', '11月']
       const data = month.map(e => ({
         month: e,
-        value: r()
+        value: fn.r()
       })).map(e => ({
         x: e.month,
         y: e.value
       }))
-      return returnMaker(data)
+      return fn.returnMaker(data)
     }
     default:
       return {}
diff --git a/src/mock/chart/_publicFunction.js b/src/mock/chart/_publicFunction.js
new file mode 100644
index 00000000..80fde36f
--- /dev/null
+++ b/src/mock/chart/_publicFunction.js
@@ -0,0 +1,11 @@
+export const r = (add = 0) => {
+  return Math.round(Math.random() * 100) + add
+}
+
+export const returnMaker = (data = []) => {
+  return {
+    code: 0,
+    msg: '请求成功',
+    data
+  }
+}