diff --git a/src/components/CustomChart/index.vue b/src/components/CustomChart/index.vue
index bc36294..c38f28c 100644
--- a/src/components/CustomChart/index.vue
+++ b/src/components/CustomChart/index.vue
@@ -19,7 +19,7 @@ export default {
     },
     height: {
       type: Number,
-      default: 0
+      default: null
     }
   },
   data() {
@@ -83,6 +83,6 @@ export default {
 </script>
 <style lang="less" scoped>
 .custom-chart {
-  height: 100% !important;
+  height: 100%;
 }
 </style>