diff --git a/resources/js/chat-room.js b/resources/js/chat-room.js
index 7bcbf07..3c8ef9a 100644
--- a/resources/js/chat-room.js
+++ b/resources/js/chat-room.js
@@ -6,6 +6,7 @@ export { bindGlobalDialogControls } from "./chat-room/dialog.js";
 export { bindDailySignInControls } from "./chat-room/daily-sign-in.js";
 export { applyFontSize, bindChatFontSizeControl, CHAT_FONT_SIZE_STORAGE_KEY, restoreChatFontSize } from "./chat-room/font-size.js";
 export { bindChatImageUploadControl } from "./chat-room/image-upload.js";
+export { bindChatComposerControls } from "./chat-room/composer.js";
 export { bindFriendPanelControls, closeFriendPanel, friendSearch, loadFriends, openFriendPanel, quickFriendAction } from "./chat-room/friend-panel.js";
 export { closeChatImageLightbox, initChatImageLightboxEvents, openChatImageLightbox } from "./chat-room/lightbox.js";
 export {
@@ -76,6 +77,7 @@ import { bindGlobalDialogControls } from "./chat-room/dialog.js";
 import { bindDailySignInControls } from "./chat-room/daily-sign-in.js";
 import { applyFontSize, bindChatFontSizeControl, CHAT_FONT_SIZE_STORAGE_KEY, restoreChatFontSize } from "./chat-room/font-size.js";
 import { bindChatImageUploadControl } from "./chat-room/image-upload.js";
+import { bindChatComposerControls } from "./chat-room/composer.js";
 import { bindFriendPanelControls, closeFriendPanel, friendSearch, loadFriends, openFriendPanel, quickFriendAction } from "./chat-room/friend-panel.js";
 import { closeChatImageLightbox, initChatImageLightboxEvents, openChatImageLightbox } from "./chat-room/lightbox.js";
 import {
@@ -151,6 +153,7 @@ if (typeof window !== "undefined") {
         applyFontSize,
         bindChatFontSizeControl,
         bindChatImageUploadControl,
+        bindChatComposerControls,
         bindFriendPanelControls,
         closeFriendPanel,
         friendSearch,
@@ -253,6 +256,7 @@ if (typeof window !== "undefined") {
     bindDailySignInControls();
     bindChatFontSizeControl();
     bindChatImageUploadControl();
+    bindChatComposerControls();
     bindFriendPanelControls();
     bindToolbarControls();
     bindAdminMenuControls();
diff --git a/resources/js/chat-room/composer.js b/resources/js/chat-room/composer.js
new file mode 100644
index 0000000..a38d7b7
--- /dev/null
+++ b/resources/js/chat-room/composer.js
@@ -0,0 +1,29 @@
+// 聊天输入区事件绑定，逐步替代底部输入栏内联提交事件。
+
+let chatComposerEventsBound = false;
+
+/**
+ * 绑定聊天表单提交事件。
+ * 发送主流程仍由 Blade 主脚本的 sendMessage 维护，这里只统一 submit 入口。
+ *
+ * @returns {void}
+ */
+export function bindChatComposerControls() {
+    if (chatComposerEventsBound || typeof document === "undefined") {
+        return;
+    }
+
+    chatComposerEventsBound = true;
+    document.addEventListener("submit", (event) => {
+        const form = event.target;
+        if (!(form instanceof HTMLFormElement) || !form.matches("[data-chat-form]")) {
+            return;
+        }
+
+        event.preventDefault();
+
+        if (typeof window.sendMessage === "function") {
+            void window.sendMessage(event);
+        }
+    });
+}
diff --git a/resources/views/chat/partials/layout/input-bar.blade.php b/resources/views/chat/partials/layout/input-bar.blade.php
index 1a3c6fb..80dafb8 100644
--- a/resources/views/chat/partials/layout/input-bar.blade.php
+++ b/resources/views/chat/partials/layout/input-bar.blade.php
@@ -19,7 +19,7 @@
 @endphp
 
 <div class="input-bar">
-    <form id="chat-form" onsubmit="sendMessage(event)" enctype="multipart/form-data">
+    <form id="chat-form" data-chat-form enctype="multipart/form-data">
         {{-- 第一行：工具选项 --}}
         <div class="input-row">
             <label>对