diff --git a/openclaw-version-policy.json b/openclaw-version-policy.json
index ad42691..6aec46a 100644
--- a/openclaw-version-policy.json
+++ b/openclaw-version-policy.json
@@ -9,10 +9,10 @@
   },
   "default": {
     "official": {
-      "recommended": "2026.5.12"
+      "recommended": "2026.5.19"
     },
     "chinese": {
-      "recommended": "2026.5.12-zh.2"
+      "recommended": "2026.5.18-zh.1"
     }
   },
   "panels": {
diff --git a/src/lib/feature-catalog.js b/src/lib/feature-catalog.js
index c5e7dfe..e03f49d 100644
--- a/src/lib/feature-catalog.js
+++ b/src/lib/feature-catalog.js
@@ -196,8 +196,8 @@ export const KERNEL_TARGET = {
     //   不要与 dev-api.js 中设备签名 payload 字符串前缀 `v3|deviceId|...` 混淆——
     //   后者是 **device signature payload 字符串格式版本**，两者完全独立、互不相关。
     //   即使在 v4 握手协议下，签名 payload 字符串仍以 `v3|` 开头（这是 payload schema 版本）。
-    official: '2026.5.12',
-    chinese: '2026.5.12-zh.2',
+    official: '2026.5.19',
+    chinese: '2026.5.18-zh.1',
   },
   hermes: {
     default: '0.13.x',
diff --git a/src/lib/kernel.js b/src/lib/kernel.js
index 6dced96..bc0d845 100644
--- a/src/lib/kernel.js
+++ b/src/lib/kernel.js
@@ -2,7 +2,7 @@
  * 内核版本与特性门控
  *
  * 此模块是 ClawPanel 多内核版本兼容的核心：
- * - 连接 Gateway 成功后，从 hello.serverVersion 构造 kernel snapshot
+ * - 连接 Gateway 成功后，从 hello.server.version / hello.serverVersion 构造 kernel snapshot
  * - 页面通过 hasFeature(id) 同步查询特性可用性
  * - 低于硬地板时通过 onKernelChange 触发 floor blocker
  *
diff --git a/src/lib/ws-client.js b/src/lib/ws-client.js
index ba985fd..f7559dc 100644
--- a/src/lib/ws-client.js
+++ b/src/lib/ws-client.js
@@ -660,7 +660,7 @@ export class WsClient {
     this._authRetryCount = 0
     this._hello = payload || null
     this._snapshot = payload?.snapshot || null
-    this._serverVersion = payload?.serverVersion || null
+    this._serverVersion = payload?.serverVersion || payload?.server?.version || null
     // 新连接 → 清空 method 降级缓存（可能换了 Gateway 版本）
     this.resetCompatCache()
     const defaults = this._snapshot?.sessionDefaults
diff --git a/tests/kernel.test.js b/tests/kernel.test.js
index a35b60d..6f174be 100644
--- a/tests/kernel.test.js
+++ b/tests/kernel.test.js
@@ -160,10 +160,12 @@ test('buildSnapshot edge case: version slightly below 5.6 feature requirement',
 })
 
 test('buildSnapshot.isLatest works against KERNEL_TARGET', () => {
-  const at_target = buildSnapshot('openclaw', '2026.5.6')
+  const at_target = buildSnapshot('openclaw', '2026.5.19')
+  const at_chinese_target = buildSnapshot('openclaw', '2026.5.18-zh.1')
   const above_target = buildSnapshot('openclaw', '2026.6.0')
-  const below_target = buildSnapshot('openclaw', '2026.5.5')
+  const below_target = buildSnapshot('openclaw', '2026.5.18')
   assert.equal(at_target.isLatest, true)
+  assert.equal(at_chinese_target.isLatest, true)
   assert.equal(above_target.isLatest, true)
   assert.equal(below_target.isLatest, false)
 })