修改

src/school/train-planning/modal/practice-class/index.module.less

@@ -45,6 +45,7 @@
     margin-right: 12px;
     border-radius: 50%;
     overflow: hidden;
+    flex-shrink: 0;
   }
 
   .teacherName {

src/school/train-planning/modal/practice-class/index.tsx

@@ -209,7 +209,7 @@ export default defineComponent({
                       title: () => (
                         <div class={styles.content}>
                           <div class={styles.teacherName}>
-                            <div class={[styles.name, styles.maxWidth2, 'van-ellipsis']}>
+                            <div class={[styles.name, styles.maxWidth, 'van-ellipsis']}>
                               {item.name}
                             </div>