diff --git a/frontend/src/business/components/performance/plan/components/PerformanceBasicConfig.vue b/frontend/src/business/components/performance/plan/components/PerformanceBasicConfig.vue
index 3c73429270..45f3ac890f 100644
--- a/frontend/src/business/components/performance/plan/components/PerformanceBasicConfig.vue
+++ b/frontend/src/business/components/performance/plan/components/PerformanceBasicConfig.vue
@@ -185,10 +185,10 @@
       validConfig() {
         let newJmxNum = 0, oldJmxNum = 0;
         if (this.uploadList.length > 0) {
-          newJmxNum = this.uploadList.filter(f => f.name.endsWith(".jmx")).length;
+          newJmxNum = this.uploadList.filter(f => f.name.toLowerCase().endsWith(".jmx")).length;
         }
         if (this.fileList.length > 0) {
-          oldJmxNum = this.fileList.filter(f => f.name.endsWith(".jmx")).length;
+          oldJmxNum = this.fileList.filter(f => f.name.toLowerCase().endsWith(".jmx")).length;
         }
         if (newJmxNum + oldJmxNum !== 1) {
           this.$message({