fix: change course statistics

src/views/course/statistics/components/edit.vue

@@ -196,11 +196,11 @@
           dataIndex: item.name,
           align: 'left',
           width: 80,
-          customRender: ({ text, record }) => {
+          customRender: ({ record }) => {
             try {
               if (record.courseTimeTypeData) {
                 const courseTimeTypeData = JSON.parse(record.courseTimeTypeData);
-                if (courseTimeTypeData[text]) return courseTimeTypeData[text];
+                if (courseTimeTypeData[item.name]) return courseTimeTypeData[item.name];
                 else return 0;
               } else {
                 return 0;