diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index f9f2cce..744779b 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -4,16 +4,10 @@
     <option name="autoReloadType" value="SELECTIVE" />
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="987ac7e2-ceaa-49a2-b5c9-aed65a7c598d" name="更改" comment="fin onedrive official token">
-      <change afterPath="$PROJECT_DIR$/.gitignore" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/.idea/cf-worker-api.iml" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/.idea/vcs.xml" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/.idea/modules.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/modules.xml" afterDir="false" />
+    <list default="true" id="987ac7e2-ceaa-49a2-b5c9-aed65a7c598d" name="更改" comment="deal merge issue">
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/public/index.html" beforeDir="false" afterPath="$PROJECT_DIR$/public/index.html" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/public/static/style-all.css" beforeDir="false" afterPath="$PROJECT_DIR$/public/static/style-all.css" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/src/index.ts" beforeDir="false" afterPath="$PROJECT_DIR$/src/index.ts" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/wrangler.jsonc.example" beforeDir="false" afterPath="$PROJECT_DIR$/wrangler.jsonc" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -23,6 +17,9 @@
   <component name="Git.Settings">
     <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
   </component>
+  <component name="ProblemsViewState">
+    <option name="selectedTabId" value="CurrentFile" />
+  </component>
   <component name="ProjectColorInfo">{
   &quot;associatedIndex&quot;: 4
 }</component>
@@ -69,8 +66,41 @@
       <updated>1749696640494</updated>
       <workItem from="1749696641557" duration="119000" />
       <workItem from="1749696773818" duration="18000" />
-      <workItem from="1749696801474" duration="7490000" />
+      <workItem from="1749696801474" duration="15061000" />
     </task>
+    <task id="LOCAL-00001" summary="fin onedrive official token">
+      <option name="closed" value="true" />
+      <created>1749704488857</created>
+      <option name="number" value="00001" />
+      <option name="presentableId" value="LOCAL-00001" />
+      <option name="project" value="LOCAL" />
+      <updated>1749704488857</updated>
+    </task>
+    <task id="LOCAL-00002" summary="add readme">
+      <option name="closed" value="true" />
+      <created>1749705341327</created>
+      <option name="number" value="00002" />
+      <option name="presentableId" value="LOCAL-00002" />
+      <option name="project" value="LOCAL" />
+      <updated>1749705341327</updated>
+    </task>
+    <task id="LOCAL-00003" summary="add onedrive area: cn us de">
+      <option name="closed" value="true" />
+      <created>1749712084921</created>
+      <option name="number" value="00003" />
+      <option name="presentableId" value="LOCAL-00003" />
+      <option name="project" value="LOCAL" />
+      <updated>1749712084921</updated>
+    </task>
+    <task id="LOCAL-00004" summary="deal merge issue">
+      <option name="closed" value="true" />
+      <created>1749712420228</created>
+      <option name="number" value="00004" />
+      <option name="presentableId" value="LOCAL-00004" />
+      <option name="project" value="LOCAL" />
+      <updated>1749712420228</updated>
+    </task>
+    <option name="localTasksCounter" value="5" />
     <servers />
   </component>
   <component name="TypeScriptGeneratedFilesManager">
@@ -78,6 +108,9 @@
   </component>
   <component name="VcsManagerConfiguration">
     <MESSAGE value="fin onedrive official token" />
-    <option name="LAST_COMMIT_MESSAGE" value="fin onedrive official token" />
+    <MESSAGE value="add readme" />
+    <MESSAGE value="add onedrive area: cn us de" />
+    <MESSAGE value="deal merge issue" />
+    <option name="LAST_COMMIT_MESSAGE" value="deal merge issue" />
   </component>
 </project>
\ No newline at end of file
diff --git a/public/index.html b/public/index.html
index b423f61..7386955 100644
--- a/public/index.html
+++ b/public/index.html
@@ -105,8 +105,9 @@
         <div class="text-muted text-center">
             <p style="text-align:center">
                 本工具所有信息只以Cookie形式存储于浏览器本地<br>
-                开源于 <a href=" " target="_blank">GitHub</a> | by <a href="https://github.com/OpenListTeam"
-                                                                      target="_blank">OpenListTeam</a>
+                开源于 <a href="https://github.com/OpenListTeam/cf-worker-api" target="_blank">GitHub</a> | by <a
+                    href="https://github.com/OpenListTeam"
+                    target="_blank">OpenListTeam</a>
             </p>
         </div>
     </div>
@@ -139,7 +140,6 @@
             // 解析响应内容 ===============================================
             const response_data = await response.json();
             if (response.status === 200) {
-                // window.open(response_data.text)
                 window.location.href = response_data.text;
             } else Swal.fire({
                 icon: 'error',
@@ -189,6 +189,17 @@
         const client_key = urlParams.get("client_key");
         const access_token = urlParams.get("access_token");
         const refresh_token = urlParams.get("refresh_token");
+        const message_err = urlParams.get("message_err");
+        console.log(message_err);
+        if (message_err && client_uid) {
+            Swal.fire({
+                position: 'top',
+                icon: 'error',
+                title: '授权失败',
+                html: message_err,
+                showConfirmButton: true,
+            });
+        }
         document.getElementById("client-id").value = client_uid;
         document.getElementById("app-secret").value = client_key;
         document.getElementById("access-token").value = access_token;
diff --git a/src/index.ts b/src/index.ts
index 081da8b..b8e78fa 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -60,20 +60,33 @@ app.get('/onedrive/requests', async (c) => {
 })
 // 令牌申请 ##############################################################################
 app.get('/onedrive/callback', async (c) => {
-    const login_data = <string>c.req.query('code');
-    const client_uid: string = <string>local.getCookie(c, 'client_uid')
-    const client_key: string = <string>local.getCookie(c, 'client_key')
-    const driver_txt: string = <string>local.getCookie(c, 'apps_types')
-    const client_url: string = driver_map[driver_txt][1];
-    console.log(login_data);
-    // 请求参数 ==========================================================================
-    const params_all = {
-        client_id: client_uid,
-        client_secret: client_key,
-        redirect_uri: 'https://' + c.env.MAIN_URLS + '/onedrive/callback',
-        code: login_data,
-        grant_type: 'authorization_code'
-    };
+    let login_data, client_uid, client_key, driver_txt, client_url, params_all;
+    try { // 请求参数 ====================================================================
+        login_data = <string>c.req.query('code');
+        client_uid = <string>local.getCookie(c, 'client_uid')
+        client_key = <string>local.getCookie(c, 'client_key')
+        driver_txt = <string>local.getCookie(c, 'apps_types')
+        client_url = driver_map[driver_txt][1];
+        params_all = {
+            client_id: client_uid,
+            client_secret: client_key,
+            redirect_uri: 'https://' + c.env.MAIN_URLS + '/onedrive/callback',
+            code: login_data,
+            grant_type: 'authorization_code'
+        };
+    } catch (error) {
+        return c.redirect(
+            `/?message_err=${"授权失败，请检查: <br>" +
+            "1、应用ID和应用机密是否正确<br>" +
+            "2、登录账号是否具有应用权限<br>" +
+            "3、回调地址是否包括上面地址<br>" +
+            "4、登录可能过期，请重新登录<br>" +
+            "错误信息: <br> " + error}`
+            + `&client_uid=NULL`
+            + `&client_key=`);
+    }
+    // console.log(login_data);
+
     // 执行请求 ===========================================================================
     try {
         const paramsString = new URLSearchParams(params_all).toString();
@@ -84,9 +97,19 @@ app.get('/onedrive/callback', async (c) => {
             },
             body: paramsString,
         });
-        console.log(response);
+        // console.log(response);
+        local.deleteCookie(c, 'client_uid');
+        local.deleteCookie(c, 'client_key');
+        local.deleteCookie(c, 'apps_types');
         if (!response.ok)
-            return c.json({text: response.text()}, 403);
+            return c.redirect(
+                `/?message_err=${"授权失败，请检查: <br>" +
+                "1、应用ID和应用机密是否正确<br>" +
+                "2、登录账号是否具有应用权限<br>" +
+                "3、回调地址是否包括上面地址<br>" +
+                "错误信息: <br>" + response.text()}`
+                + `&client_uid=${client_uid}`
+                + `&client_key=${client_key}`);
         const json: Record<string, any> = await response.json();
         if (json.token_type === 'Bearer') {
             return c.redirect(
@@ -96,8 +119,14 @@ app.get('/onedrive/callback', async (c) => {
                 + `&client_key=${client_key}`);
         }
     } catch (error) {
-        console.error(error);
-        return c.json({text: error}, 500);
+        return c.redirect(
+            `/?message_err=${"授权失败，请检查: <br>" +
+            "1、应用ID和应用机密是否正确<br>" +
+            "2、登录账号是否具有应用权限<br>" +
+            "3、回调地址是否包括上面地址<br>" +
+            "错误信息: <br>" + error}`
+            + `&client_uid=${client_uid}`
+            + `&client_key=${client_key}`);
     }
 })