fix: 点击背景图时取消输入框选中状态

js/script.js

@@ -1391,6 +1391,21 @@
         // 点击背景图显示工具栏
         bgImage.addEventListener('click', (e) => {
             if (!currentImage) return;
+
+            // 取消输入框和层叠图的选中状态
+            if (editingInput) {
+                endEdit(editingInput);
+            }
+            if (selectedInput) {
+                selectedInput.classList.remove('selected');
+                selectedInput = null;
+                hidePositionInfo();
+            }
+            if (selectedOverlay) {
+                selectedOverlay.classList.remove('selected');
+                selectedOverlay = null;
+            }
+
             e.stopPropagation();
 
             isInteractingWithBgImage = true;