diff --git a/frontend/src/assets/main.css b/frontend/src/assets/main.css
index f666916..331bf1a 100644
--- a/frontend/src/assets/main.css
+++ b/frontend/src/assets/main.css
@@ -7,6 +7,18 @@
   margin-bottom: 8px;
 }
 
+/* Modal 全局居中 */
+.ant-modal-wrap {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.ant-modal {
+  top: 0;
+  padding-bottom: 0;
+}
+
 /* 应用全局样式 */
 #app {
   width: 100%;