diff --git a/src/components/modal/robot-selector-modal.vue b/src/components/modal/robot-selector-modal.vue
index 561298b..ecde0a7 100644
--- a/src/components/modal/robot-selector-modal.vue
+++ b/src/components/modal/robot-selector-modal.vue
@@ -238,22 +238,34 @@ onMounted(() => {
   padding: 0 16px;
   cursor: pointer;
   transition: all 0.2s ease;
+  position: relative;
 }
 
-.robot-item.selected {
-  background-color: #0dbb8a;
+.robot-item:not(:last-child)::after {
+  content: '';
+  position: absolute;
+  bottom: 0;
+  left: 16px;
+  right: 16px;
+  height: 1px;
+  background-color: var(--border-color-split, #d9d9d9);
+}
+
+/* 暗色主题 */
+[theme='dark'] .robot-item:not(:last-child)::after {
+  background-color: #5c5757;
 }
 
 .robot-item.selected .robot-name {
-  color: #fff;
+  color: #0dbb8a;
 }
 
 .robot-item.selected .robot-status {
-  color: rgba(255, 255, 255, 0.8);
+  color: #0dbb8a;
 }
 
 .check-indicator {
-  color: #fff;
+  color: #0dbb8a;
   display: flex;
   align-items: center;
   justify-content: center;