diff --git a/tui-plugins/oc-session-all.js b/tui-plugins/oc-session-all.js
index 1af4993..f71c3c4 100644
--- a/tui-plugins/oc-session-all.js
+++ b/tui-plugins/oc-session-all.js
@@ -22,10 +22,21 @@ function log(msg) {
   console.log(msg)
 }
 
+// 延时函数
+function delay(ms) {
+  return new Promise(resolve => setTimeout(resolve, ms))
+}
+
 export default Plugin.define({
   id: "oc-session-all",
-  setup(context) {
-    log("[oc-session-all] v2 Plugin loaded! Attempting keymap.layer registration...")
+  async setup(context) {
+    log("[oc-session-all] v2 Plugin loaded! Waiting 3 seconds before toast...")
+    
+    // 先写入测试日志，确保 fs 可用
+    log("[oc-session-all] FS test: log file created successfully")
+
+    // 延时 3 秒，避免 toast 被覆盖
+    await delay(3000)
 
     // ── 探测 context.keymap 结构 ──────────────────────────────────────
     const report = []
@@ -98,6 +109,9 @@ export default Plugin.define({
 
     const msg = report.join(" | ")
     log("[oc-session-all] KEYMAP PROBE: " + msg)
+    
+    // 再次延时，确保 toast 不被覆盖
+    await delay(1000)
     try {
       context.ui.toast.show({
         message: "Keymap probe: " + msg,