diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..b512c09
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+node_modules
\ No newline at end of file
diff --git a/src/channel.ts b/src/channel.ts
index c0ef685..93834e2 100644
--- a/src/channel.ts
+++ b/src/channel.ts
@@ -30,13 +30,13 @@ export const qqbotPlugin: ChannelPlugin<ResolvedQQBotAccount> = {
     listAccountIds: (cfg) => listQQBotAccountIds(cfg),
     resolveAccount: (cfg, accountId) => resolveQQBotAccount(cfg, accountId),
     defaultAccountId: () => DEFAULT_ACCOUNT_ID,
-    isConfigured: (account) => Boolean(account.appId && account.clientSecret),
+    isConfigured: (account) => Boolean(account?.appId && account?.clientSecret),
     describeAccount: (account) => ({
-      accountId: account.accountId,
-      name: account.name,
-      enabled: account.enabled,
-      configured: Boolean(account.appId && account.clientSecret),
-      tokenSource: account.secretSource,
+      accountId: account?.accountId ?? DEFAULT_ACCOUNT_ID,
+      name: account?.name,
+      enabled: account?.enabled ?? false,
+      configured: Boolean(account?.appId && account?.clientSecret),
+      tokenSource: account?.secretSource,
     }),
   },
   setup: {
@@ -118,11 +118,11 @@ export const qqbotPlugin: ChannelPlugin<ResolvedQQBotAccount> = {
       lastError: null,
     },
     buildAccountSnapshot: ({ account, runtime }) => ({
-      accountId: account.accountId,
-      name: account.name,
-      enabled: account.enabled,
-      configured: Boolean(account.appId && account.clientSecret),
-      tokenSource: account.secretSource,
+      accountId: account?.accountId ?? DEFAULT_ACCOUNT_ID,
+      name: account?.name,
+      enabled: account?.enabled ?? false,
+      configured: Boolean(account?.appId && account?.clientSecret),
+      tokenSource: account?.secretSource,
       running: runtime?.running ?? false,
       connected: runtime?.connected ?? false,
       lastConnectedAt: runtime?.lastConnectedAt ?? null,