修改

src/components/school/student/student-visit.vue

@@ -2,13 +2,9 @@
   .studentDate .el-input__inner {
     background-color: transparent;
     border: 0;
-    height: 28px;
+    height: 28px!important;
   }
 
-  .studentDate .el-input__icon {
-    height: auto;
-    line-height: 28px;
-  }
  .el-select-dropdown{
     z-index:8888!important;
   }