diff --git a/src/extension.ts b/src/extension.ts
index a4079ba..9abe301 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -18,8 +18,15 @@ export function activate(context: vscode.ExtensionContext) {
     )
   );
 
-  // 自动打开聊天面板
-  vscode.commands.executeCommand("ic-coder.openChat");
+  // 检查登录状态，如果已登录则自动打开聊天面板
+  vscode.authentication.getSession("iccoder", [], { createIfNone: false })
+    .then((session) => {
+      if (session) {
+        vscode.commands.executeCommand("ic-coder.openChat");
+      }
+    }, () => {
+      // 未登录，不做任何操作
+    });
 
   // 注册命令：打开助手面板
   const openPanelCommand = vscode.commands.registerCommand(
diff --git a/src/panels/ICHelperPanel.ts b/src/panels/ICHelperPanel.ts
index e85198c..f9d227e 100644
--- a/src/panels/ICHelperPanel.ts
+++ b/src/panels/ICHelperPanel.ts
@@ -21,6 +21,26 @@ export async function showICHelperPanel(
   context: vscode.ExtensionContext,
   viewColumn?: vscode.ViewColumn
 ) {
+  // 检查用户是否已登录
+  try {
+    const session = await vscode.authentication.getSession("iccoder", [], { createIfNone: false });
+    if (!session) {
+      vscode.window.showWarningMessage("请先登录后再使用 IC Coder", "立即登录").then((selection) => {
+        if (selection === "立即登录") {
+          vscode.commands.executeCommand("ic-coder.login");
+        }
+      });
+      return;
+    }
+  } catch (error) {
+    vscode.window.showWarningMessage("请先登录后再使用 IC Coder", "立即登录").then((selection) => {
+      if (selection === "立即登录") {
+        vscode.commands.executeCommand("ic-coder.login");
+      }
+    });
+    return;
+  }
+
   // 创建WebView面板
   const panel = vscode.window.createWebviewPanel(
     "icCoder", // 面板ID
diff --git a/src/services/icCoderAuthProvider.ts b/src/services/icCoderAuthProvider.ts
index 02d56b0..05c8a3c 100644
--- a/src/services/icCoderAuthProvider.ts
+++ b/src/services/icCoderAuthProvider.ts
@@ -49,8 +49,8 @@ export class ICCoderAuthenticationProvider
    */
   async getSessions(
     scopes?: readonly string[]
-  ): Promise<readonly vscode.AuthenticationSession[]> {
-    return this._sessions;
+  ): Promise<vscode.AuthenticationSession[]> {
+    return [...this._sessions];
   }
 
   /**