diff --git a/nezha-fronted/src/components/common/rightBox/chart/systemChartConfig.vue b/nezha-fronted/src/components/common/rightBox/chart/systemChartConfig.vue
index af5c6086c..a7e0c73ff 100644
--- a/nezha-fronted/src/components/common/rightBox/chart/systemChartConfig.vue
+++ b/nezha-fronted/src/components/common/rightBox/chart/systemChartConfig.vue
@@ -804,12 +804,12 @@ export default {
     },
     systemNameChange (index) {
       if (this.systemNameShow[index].error) {
-        this.expressionName[index] = this.systemNameShow[index].oldName
+        this.chartConfig.param.datasource[index].name = this.systemNameShow[index].oldName
         this.systemNameShow[index].error = ''
-      } else if (!this.expressionName[index]) {
-        this.expressionName[index] = this.systemNameShow[index].oldName
+      } else if (!this.chartConfig.param.datasource[index].name) {
+        this.chartConfig.param.datasource[index].name = this.systemNameShow[index].oldName
       } else {
-        this.systemNameShow[index].oldName = this.expressionName[index]
+        this.systemNameShow[index].oldName = this.chartConfig.param.datasource[index].name
       }
       this.change()
     },