diff --git a/src/app/Theme.cpp b/src/app/Theme.cpp
index c504ffe..6c8a941 100644
--- a/src/app/Theme.cpp
+++ b/src/app/Theme.cpp
@@ -303,10 +303,18 @@ QComboBox::drop-down {
 QComboBox QAbstractItemView {
     background: #FFFFFF;
     border: 1px solid #D5DBE5;
-    border-radius: 6px;
-    selection-background-color: #DCE9F8;
-    selection-color: #1B3D67;
     outline: none;
+    padding: 2px;
+}
+QComboBox QAbstractItemView::item {
+    border: none;
+    padding: 6px 10px;
+    min-height: 20px;
+    color: #1F2A3D;
+}
+QComboBox QAbstractItemView::item:selected {
+    background: #EAF1FB;
+    color: #2D6CB5;
 }
 
 /* ── 分组框（按需出现时也与主题一致）──────────────────────── */