diff --git a/frontend/src/assets/styles/education-theme.scss b/frontend/src/assets/styles/education-theme.scss
index 9d57d72fc..1bd7a1ce3 100644
--- a/frontend/src/assets/styles/education-theme.scss
+++ b/frontend/src/assets/styles/education-theme.scss
@@ -335,6 +335,12 @@ button:focus-visible,
   border-bottom-color: #e7eeeb;
 }
 
+/* 主列表与弹窗选择列表统一居中，避免未声明 align 的字段退回左对齐。 */
+body .el-table th.el-table__cell,
+body .el-table td.el-table__cell {
+  text-align: center;
+}
+
 #app .el-table--enable-row-hover .el-table__body tr:hover > td.el-table__cell {
   background: #f2f8f5;
 }