diff --git a/src/panels/ICHelperPanel.ts b/src/panels/ICHelperPanel.ts
index 7823193..db6c137 100644
--- a/src/panels/ICHelperPanel.ts
+++ b/src/panels/ICHelperPanel.ts
@@ -547,22 +547,31 @@ export async function showICHelperPanel(
             console.log("[ICHelperPanel] pluginTrialExpiresAt:", userInfo?.pluginTrialExpiresAt);
             console.log("[ICHelperPanel] hasWelcomed:", hasWelcomed);
 
-            if (userInfo?.isPluginTrial === true && userInfo.pluginTrialExpiresAt !== null && userInfo.pluginTrialExpiresAt !== undefined) {
-              const now = Date.now();
-              const isExpired = now >= userInfo.pluginTrialExpiresAt;
-              console.log("[ICHelperPanel] 是否过期:", isExpired);
+            if (userInfo?.isPluginTrial === true) {
+              // 如果有过期时间，检查是否过期
+              if (userInfo.pluginTrialExpiresAt) {
+                const now = Date.now();
+                const isExpired = now >= userInfo.pluginTrialExpiresAt;
+                console.log("[ICHelperPanel] 是否过期:", isExpired);
 
-              if (!isExpired && !hasWelcomed) {
+                if (isExpired) {
+                  console.log("[ICHelperPanel] 试用已过期，不显示欢迎弹窗");
+                  break;
+                }
+              }
+
+              // 未过期或无过期时间，且未显示过欢迎弹窗
+              if (!hasWelcomed) {
                 await context.globalState.update("pluginTrialWelcomed", true);
                 console.log("[ICHelperPanel] ✅ 发送 showWelcomeModal 命令到前端");
                 panel.webview.postMessage({
                   command: "showWelcomeModal",
                 });
               } else {
-                console.log("[ICHelperPanel] 已过期或已显示过欢迎弹窗");
+                console.log("[ICHelperPanel] 已显示过欢迎弹窗");
               }
             } else {
-              console.log("[ICHelperPanel] 非试用用户或无过期时间");
+              console.log("[ICHelperPanel] 非试用用户");
             }
           }
           break;