diff --git a/frontend/src/components/Modals/ManageWorkspace/Documents/Directory/index.jsx b/frontend/src/components/Modals/ManageWorkspace/Documents/Directory/index.jsx
index 9ca6be7..75fb035 100644
--- a/frontend/src/components/Modals/ManageWorkspace/Documents/Directory/index.jsx
+++ b/frontend/src/components/Modals/ManageWorkspace/Documents/Directory/index.jsx
@@ -52,7 +52,7 @@ function Directory({
     event.stopPropagation();
     if (
       !window.confirm(
-        "Are you sure you want to delete these files and folders?\nThis will remove the files from the system and remove them from any existing workspaces automatically.\nThis action is not reversible."
+        "确定要删除这些文件和文件夹吗？此操作将永久删除它们及在任何现有工作空间中的副本，且无法撤销。"
       )
     ) {
       return false;
@@ -209,19 +209,19 @@ function Directory({
                 weight="bold"
               />
             </div>
-            <button
-              className="border-none flex items-center gap-x-2 cursor-pointer px-[14px] py-[7px] -mr-[14px] rounded-lg hover:bg-theme-sidebar-subitem-hover z-20 relative"
-              onClick={openFolderModal}
-            >
-              <Plus
-                size={18}
-                weight="bold"
-                className="text-theme-text-primary light:text-[#0ba5ec]"
-              />
-              <div className="text-theme-text-primary light:text-[#0ba5ec] text-xs font-bold leading-[18px]">
-              新文件夹
-              </div>
-            </button>
+            {/*<button*/}
+            {/*  className="border-none flex items-center gap-x-2 cursor-pointer px-[14px] py-[7px] -mr-[14px] rounded-lg hover:bg-theme-sidebar-subitem-hover z-20 relative"*/}
+            {/*  onClick={openFolderModal}*/}
+            {/*>*/}
+            {/*  <Plus*/}
+            {/*    size={18}*/}
+            {/*    weight="bold"*/}
+            {/*    className="text-theme-text-primary light:text-[#0ba5ec]"*/}
+            {/*  />*/}
+            {/*  <div className="text-theme-text-primary light:text-[#0ba5ec] text-xs font-bold leading-[18px]">*/}
+            {/*  新文件夹*/}
+            {/*  </div>*/}
+            {/*</button>*/}
           </div>
 
           <div className="relative w-[560px] h-[310px] bg-[#ECEFF6]  rounded-2xl overflow-hidden border ">
diff --git a/frontend/src/components/Sidebar/ActiveWorkspaces/ThreadContainer/ThreadItem/index.jsx b/frontend/src/components/Sidebar/ActiveWorkspaces/ThreadContainer/ThreadItem/index.jsx
index 61b802f..9ea0da8 100644
--- a/frontend/src/components/Sidebar/ActiveWorkspaces/ThreadContainer/ThreadItem/index.jsx
+++ b/frontend/src/components/Sidebar/ActiveWorkspaces/ThreadContainer/ThreadItem/index.jsx
@@ -196,7 +196,7 @@ function OptionsMenu({
 
   const renameThread = async () => {
     const name = window
-      .prompt("您想将此线程重命名为什么?")
+      .prompt("您想将此对话重命名为什么?")
       ?.trim();
     if (!name || name.length === 0) {
       close();
@@ -223,7 +223,7 @@ function OptionsMenu({
   const handleDelete = async () => {
     if (
       !window.confirm(
-        "您确定要删除此线程吗？所有的聊天记录都将被删除。这是无法挽回的。"
+        "您确定要删除此对话吗？所有的聊天记录都将被删除。这是无法挽回的。"
       )
     )
       return;
@@ -262,7 +262,7 @@ function OptionsMenu({
         className="w-full rounded-md flex items-center p-2 gap-x-2 hover:bg-red-500/20 text-slate-300 light:text-theme-text-primary hover:text-red-100"
       >
         <Trash size={18} />
-        <p className="text-sm">删除线程</p>
+        <p className="text-sm">删除对话</p>
       </button>
     </div>
   );
diff --git a/frontend/src/components/Sidebar/ActiveWorkspaces/ThreadContainer/index.jsx b/frontend/src/components/Sidebar/ActiveWorkspaces/ThreadContainer/index.jsx
index e669525..ad73559 100644
--- a/frontend/src/components/Sidebar/ActiveWorkspaces/ThreadContainer/index.jsx
+++ b/frontend/src/components/Sidebar/ActiveWorkspaces/ThreadContainer/index.jsx
@@ -129,7 +129,7 @@ export default function ThreadContainer({ workspace }) {
         idx={0}
         activeIdx={activeThreadIdx}
         isActive={activeThreadIdx === 0}
-        thread={{ slug: null, name: "default" }}
+        thread={{ slug: null, name: "默认对话" }}
         hasNext={threads.length > 0}
       />
       {threads.map((thread, i) => (
@@ -151,7 +151,7 @@ export default function ThreadContainer({ workspace }) {
         threads={threads}
         onDelete={handleDeleteAll}
       />
-      <NewThreadButton workspace={workspace} />
+      {/*<NewThreadButton workspace={workspace} />*/}
     </div>
   );
 }
@@ -195,11 +195,11 @@ function NewThreadButton({ workspace }) {
 
         {loading ? (
           <p className="text-left text-white light:text-theme-text-primary text-sm">
-            启动线程...
+            启动对话...
           </p>
         ) : (
           <p className="text-left text-white light:text-theme-text-primary text-sm">
-            新线程
+            新对话
           </p>
         )}
       </div>
diff --git a/frontend/src/pages/PolicyLibrary/index.jsx b/frontend/src/pages/PolicyLibrary/index.jsx
index 8d49e0a..891063a 100644
--- a/frontend/src/pages/PolicyLibrary/index.jsx
+++ b/frontend/src/pages/PolicyLibrary/index.jsx
@@ -62,7 +62,7 @@ function Directory({
         event.stopPropagation();
         if (
             !window.confirm(
-                "Are you sure you want to delete these files and folders?\nThis will remove the files from the system and remove them from any existing workspaces automatically.\nThis action is not reversible."
+                "确定要删除这些文件和文件夹吗？此操作将永久删除它们及在任何现有工作空间中的副本，且无法撤销。"
             )
         ) {
             return false;
@@ -231,19 +231,19 @@ function Directory({
                                 weight="bold"
                             />
                         </div>
-                        <button
-                            className="border-none flex items-center gap-x-2 cursor-pointer px-[14px] py-[7px] -mr-[14px] rounded-lg hover:bg-theme-sidebar-subitem-hover z-20 relative"
-                            onClick={openFolderModal}
-                        >
-                            <Plus
-                                size={18}
-                                weight="bold"
-                                className="text-theme-text-primary light:text-[#0ba5ec]"
-                            />
-                            <div className="text-theme-text-primary light:text-[#0ba5ec] text-xs font-bold leading-[18px]">
-                                新文件夹
-                            </div>
-                        </button>
+                        {/*<button*/}
+                        {/*    className="border-none flex items-center gap-x-2 cursor-pointer px-[14px] py-[7px] -mr-[14px] rounded-lg hover:bg-theme-sidebar-subitem-hover z-20 relative"*/}
+                        {/*    onClick={openFolderModal}*/}
+                        {/*>*/}
+                        {/*    <Plus*/}
+                        {/*        size={18}*/}
+                        {/*        weight="bold"*/}
+                        {/*        className="text-theme-text-primary light:text-[#0ba5ec]"*/}
+                        {/*    />*/}
+                        {/*    <div className="text-theme-text-primary light:text-[#0ba5ec] text-xs font-bold leading-[18px]">*/}
+                        {/*        新文件夹*/}
+                        {/*    </div>*/}
+                        {/*</button>*/}
                     </div>
 
                     <div className="relative w-[100%] h-[500px] bg-[#ECEFF6]  rounded-2xl overflow-hidden border ">
diff --git a/server/models/workspaceThread.js b/server/models/workspaceThread.js
index 1ac6040..823b367 100644
--- a/server/models/workspaceThread.js
+++ b/server/models/workspaceThread.js
@@ -3,7 +3,7 @@ const slugifyModule = require("slugify");
 const { v4: uuidv4 } = require("uuid");
 
 const WorkspaceThread = {
-  defaultName: "Thread",
+  defaultName: "对话",
   writable: ["name"],
 
   /**