diff --git a/Source/MetaCoreEditor/Private/MetaCoreBuiltinCoreServicesModule.cpp b/Source/MetaCoreEditor/Private/MetaCoreBuiltinCoreServicesModule.cpp
index d39cc11..7e09214 100644
--- a/Source/MetaCoreEditor/Private/MetaCoreBuiltinCoreServicesModule.cpp
+++ b/Source/MetaCoreEditor/Private/MetaCoreBuiltinCoreServicesModule.cpp
@@ -7169,7 +7169,7 @@ public:
             return;
         }
 
-        if (editorContext.GetInput().IsKeyDown(MetaCoreInputKey::Control)) {
+        if (io.KeyCtrl) {
             if (pickedObjectId != 0) {
                 editorContext.ToggleSelection(pickedObjectId);
             }
diff --git a/tests/MetaCoreSmokeTests.cpp b/tests/MetaCoreSmokeTests.cpp
index 2d287f2..6e31a45 100644
--- a/tests/MetaCoreSmokeTests.cpp
+++ b/tests/MetaCoreSmokeTests.cpp
@@ -243,6 +243,10 @@ void MetaCoreTestSelectionStateMachine() {
     editorContext.SetSelection(allObjectIds, allObjectIds.back());
     MetaCoreExpect(editorContext.GetSelectedObjectIds().size() == allObjectIds.size(), "全选应包含场景中的所有对象");
     MetaCoreExpect(editorContext.GetActiveObjectId() == allObjectIds.back(), "全选后 Active 应为最后一个对象");
+
+    editorContext.SetSelection(allObjectIds, objectAId);
+    MetaCoreExpect(editorContext.GetSelectedObjectIds().size() == allObjectIds.size(), "重设 Active 不应丢失多选集合");
+    MetaCoreExpect(editorContext.GetActiveObjectId() == objectAId, "重设 Active 应支持多选集合中的非末尾对象");
 }
 
 void MetaCoreTestUndoRedo() {