diff --git a/resources/js/chat-room/dialog.js b/resources/js/chat-room/dialog.js
index 63b4284..341cc98 100644
--- a/resources/js/chat-room/dialog.js
+++ b/resources/js/chat-room/dialog.js
@@ -239,4 +239,18 @@ export function bindGlobalDialogControls() {
             window.chatDialog?._cancel?.();
         }
     });
+
+    // 点击遮罩层（弹窗外部）关闭弹窗
+    document.addEventListener("click", (event) => {
+        const modal = document.getElementById("global-dialog-modal");
+        if (!modal || modal.style.display === "none") return;
+        if (event.target === modal) {
+            // alert 模式直接隐藏，confirm/prompt 视为取消
+            if (currentDialogType === "alert") {
+                window.chatDialog?._hide?.();
+            } else {
+                window.chatDialog?._cancel?.();
+            }
+        }
+    });
 }