diff --git a/tui-plugins/oc-session-all.js b/tui-plugins/oc-session-all.js
index 020ebf7..1af4993 100644
--- a/tui-plugins/oc-session-all.js
+++ b/tui-plugins/oc-session-all.js
@@ -25,72 +25,82 @@ function log(msg) {
 export default Plugin.define({
   id: "oc-session-all",
   setup(context) {
-    log("[oc-session-all] v2 Plugin loaded! Attempting command registration...")
+    log("[oc-session-all] v2 Plugin loaded! Attempting keymap.layer registration...")
 
-    // ── 探测 context 结构 ──────────────────────────────────────
+    // ── 探测 context.keymap 结构 ──────────────────────────────────────
     const report = []
     report.push("context keys: " + Object.keys(context).join(", "))
 
-    // 探测 context.command
-    if (context.command) {
-      const cmdKeys = Object.getOwnPropertyNames(context.command)
-      report.push("command props: " + cmdKeys.join(", "))
-      const cmdMethods = cmdKeys.filter(k => typeof context.command[k] === "function")
-      report.push("command methods: " + cmdMethods.join(", "))
-      
-      // 尝试 command.register
-      if (typeof context.command.register === "function") {
-        try {
-          const unregister = context.command.register(() => [
-            {
-              title: "Show All Sessions",
-              value: "sessions-all",
-              slash: { name: "sessions-all", aliases: ["sa"] },
-              description: "Display all session records in a dialog",
-              onSelect: async () => {
-                log("[oc-session-all] /sessions-all triggered")
-                context.ui.toast.show({
-                  message: "Sessions-all command executed!",
-                  variant: "success",
-                  duration: 3000,
-                })
-              },
-            },
-          ])
-          report.push("command.register: SUCCESS, unregister type: " + typeof unregister)
-          log("[oc-session-all] command.register succeeded")
-        } catch (e) {
-          report.push("command.register ERROR: " + e.message)
-          log("[oc-session-all] command.register ERROR: " + e.message)
-        }
-      } else {
-        report.push("command.register: NOT A FUNCTION")
-        log("[oc-session-all] command.register is not a function")
-      }
-    } else {
-      report.push("context.command: undefined")
-      log("[oc-session-all] context.command is undefined")
-    }
-
     // 探测 context.keymap
     if (context.keymap) {
       const kmKeys = Object.getOwnPropertyNames(context.keymap)
       report.push("keymap props: " + kmKeys.join(", "))
-      const kmMethods = kmKeys.filter(k => typeof context.keymap[k] === "function")
-      report.push("keymap methods: " + kmMethods.join(", "))
-    }
+      
+      // 尝试 keymap.layer
+      if (typeof context.keymap.layer === "function") {
+        report.push("keymap.layer is a function")
+        try {
+          // 尝试不同的调用方式
+          const layerResult = context.keymap.layer({
+            commands: [
+              {
+                title: "Show All Sessions",
+                value: "sessions-all",
+                slash: { name: "sessions-all", aliases: ["sa"] },
+                description: "Display all session records in a dialog",
+                onSelect: async () => {
+                  log("[oc-session-all] /sessions-all triggered via keymap.layer")
+                  context.ui.toast.show({
+                    message: "Sessions-all command executed!",
+                    variant: "success",
+                    duration: 3000,
+                  })
+                },
+              },
+            ],
+          })
+          report.push("keymap.layer result type: " + typeof layerResult)
+          log("[oc-session-all] keymap.layer called successfully, result type: " + typeof layerResult)
+        } catch (e) {
+          report.push("keymap.layer ERROR: " + e.message)
+          log("[oc-session-all] keymap.layer ERROR: " + e.message)
+        }
+      } else {
+        report.push("keymap.layer is NOT a function")
+        log("[oc-session-all] keymap.layer is NOT a function")
+      }
 
-    // 探测 context.ui
-    if (context.ui) {
-      const uiKeys = Object.keys(context.ui)
-      report.push("ui keys: " + uiKeys.join(", "))
+      // 尝试 keymap.commands
+      if (typeof context.keymap.commands === "function") {
+        report.push("keymap.commands is a function")
+        try {
+          const commandsResult = context.keymap.commands()
+          report.push("keymap.commands() result type: " + typeof commandsResult)
+          log("[oc-session-all] keymap.commands() called, result type: " + typeof commandsResult)
+        } catch (e) {
+          report.push("keymap.commands ERROR: " + e.message)
+          log("[oc-session-all] keymap.commands ERROR: " + e.message)
+        }
+      } else if (context.keymap.commands) {
+        report.push("keymap.commands is an object: " + Object.keys(context.keymap.commands).join(", "))
+        log("[oc-session-all] keymap.commands is an object: " + Object.keys(context.keymap.commands).join(", "))
+      } else {
+        report.push("keymap.commands is undefined")
+      }
+
+      // 尝试 keymap.dispatch
+      if (typeof context.keymap.dispatch === "function") {
+        report.push("keymap.dispatch is a function")
+      } else {
+        report.push("keymap.dispatch is NOT a function")
+      }
     }
 
     const msg = report.join(" | ")
-    log("[oc-session-all] FULL PROBE: " + msg)
+    log("[oc-session-all] KEYMAP PROBE: " + msg)
     try {
       context.ui.toast.show({
-        message: "Full probe: " + msg,
+        message: "Keymap probe: " + msg,
         variant: "info",
         duration: 20000,
       })
diff --git a/tui.js b/tui.js
index 53337af..020ebf7 100644
--- a/tui.js
+++ b/tui.js
@@ -1,9 +1,31 @@
 import { Plugin } from "@opencode/plugin/tui"
+import { appendFileSync, mkdirSync, existsSync } from "fs"
+import { join } from "path"
+
+// 日志文件路径
+const LOG_DIR = "C:\\Users\\ypshidifu\\.config\\opencode"
+const LOG_FILE = join(LOG_DIR, "oc-session-all.log")
+
+// 确保日志目录存在
+if (!existsSync(LOG_DIR)) {
+  mkdirSync(LOG_DIR, { recursive: true })
+}
+
+function log(msg) {
+  const timestamp = new Date().toISOString()
+  const line = `[${timestamp}] ${msg}\n`
+  try {
+    appendFileSync(LOG_FILE, line)
+  } catch (e) {
+    // 忽略写入错误
+  }
+  console.log(msg)
+}
 
 export default Plugin.define({
   id: "oc-session-all",
   setup(context) {
-    console.log("[oc-session-all] v2 Plugin loaded! Attempting command registration...")
+    log("[oc-session-all] v2 Plugin loaded! Attempting command registration...")
 
     // ── 探测 context 结构 ──────────────────────────────────────
     const report = []
@@ -26,7 +48,7 @@ export default Plugin.define({
               slash: { name: "sessions-all", aliases: ["sa"] },
               description: "Display all session records in a dialog",
               onSelect: async () => {
-                console.log("[oc-session-all] /sessions-all triggered")
+                log("[oc-session-all] /sessions-all triggered")
                 context.ui.toast.show({
                   message: "Sessions-all command executed!",
                   variant: "success",
@@ -36,16 +58,18 @@ export default Plugin.define({
             },
           ])
           report.push("command.register: SUCCESS, unregister type: " + typeof unregister)
-          console.log("[oc-session-all] command.register succeeded")
+          log("[oc-session-all] command.register succeeded")
         } catch (e) {
           report.push("command.register ERROR: " + e.message)
-          console.error("[oc-session-all] command.register failed:", e)
+          log("[oc-session-all] command.register ERROR: " + e.message)
         }
       } else {
         report.push("command.register: NOT A FUNCTION")
+        log("[oc-session-all] command.register is not a function")
       }
     } else {
       report.push("context.command: undefined")
+      log("[oc-session-all] context.command is undefined")
     }
 
     // 探测 context.keymap
@@ -63,11 +87,15 @@ export default Plugin.define({
     }
 
     const msg = report.join(" | ")
-    console.log("[oc-session-all] FULL PROBE: " + msg)
-    context.ui.toast.show({
-      message: "Full probe: " + msg,
-      variant: "info",
-      duration: 20000,
-    })
+    log("[oc-session-all] FULL PROBE: " + msg)
+    try {
+      context.ui.toast.show({
+        message: "Full probe: " + msg,
+        variant: "info",
+        duration: 20000,
+      })
+    } catch (e) {
+      log("[oc-session-all] toast.show ERROR: " + e.message)
+    }
   },
 })
\ No newline at end of file