diff --git a/src/components/charts/G2/components/Line/base.vue b/src/components/charts/G2/components/Line/base.vue
index dcc4fef9..b6d2c22d 100644
--- a/src/components/charts/G2/components/Line/base.vue
+++ b/src/components/charts/G2/components/Line/base.vue
@@ -9,22 +9,6 @@ export default {
   mixins: [
     G2
   ],
-  // 公用参数在 G2 mixin 中
-  // 这个组件特有的参数添加在这里
-  props: {
-    // 横轴字段名
-    keyNameX: {
-      type: String,
-      required: false,
-      default: 'x'
-    },
-    // 纵轴字段名
-    keyNameY: {
-      type: String,
-      required: false,
-      default: 'y'
-    }
-  },
   methods: {
     // 初始化图表
     init () {
diff --git a/src/mock/chart/G2Line.js b/src/mock/chart/G2Line.js
index 696b2284..dd186182 100644
--- a/src/mock/chart/G2Line.js
+++ b/src/mock/chart/G2Line.js
@@ -18,8 +18,8 @@ Mock.mock('/api/chart/G2Line', 'post', ({body, type, url}) => {
     case 'base': {
       let lastValue = 0
       const year = ['1991', '1992', '1993', '1994', '1995', '1996', '1997', '1998', '1999']
-      const data = year.map(y => ({
-        year: y,
+      const data = year.map(e => ({
+        year: e,
         value: 0
       })).map(e => {
         e.value = lastValue + r()
@@ -31,8 +31,8 @@ Mock.mock('/api/chart/G2Line', 'post', ({body, type, url}) => {
     }
     case 'step': {
       const month = ['1月', '2月', '3月', '4月', '5月', '6月', '7月', '8月', '9月', '10月', '11月', '12月']
-      const data = month.map(y => ({
-        month: y,
+      const data = month.map(e => ({
+        month: e,
         value: 0
       })).map(e => {
         e.value = r()