diff --git a/packages/ice/CHANGELOG.md b/packages/ice/CHANGELOG.md
index 538fd6933..7c94bd6c4 100644
--- a/packages/ice/CHANGELOG.md
+++ b/packages/ice/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 3.6.5
+
+- hotfix: add isPHA and isKraken env for backward compatibility.
+
 ## 3.6.4
 
 ### Patch Changes
diff --git a/packages/ice/package.json b/packages/ice/package.json
index f069fb404..628a4878a 100644
--- a/packages/ice/package.json
+++ b/packages/ice/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ice/app",
-  "version": "3.6.4",
+  "version": "3.6.5",
   "description": "provide scripts and configuration used by web framework ice",
   "type": "module",
   "main": "./esm/index.js",
diff --git a/packages/ice/templates/core/env.ts.ejs b/packages/ice/templates/core/env.ts.ejs
index 968dd48d4..f831bcdf6 100644
--- a/packages/ice/templates/core/env.ts.ejs
+++ b/packages/ice/templates/core/env.ts.ejs
@@ -11,9 +11,11 @@ export const isKuaiShouMiniProgram = isClient && import.meta.target === 'kuaisho
 export const isWeChatMiniProgram = isClient && import.meta.target === 'wechat-miniprogram';
 export const isQuickApp = false; // Now ice.js will not implement quick app target.
 export const isMiniApp = isAliMiniApp; // in universal-env, isMiniApp is equals to isAliMiniApp
+export const isKraken = isClient && import.meta.target === 'kraken';
 
 // Following variables are runtime executed envs.
 // See also @uni/env.
+export const isPHA = isWeb && typeof pha === 'object';
 const ua = typeof navigator === 'object' ? navigator.userAgent || navigator.swuserAgent : '';
 export const isThemis = /Themis/.test(ua);
 export const isWindVane = /WindVane/i.test(ua) && isWeb && typeof WindVane !== 'undefined' && typeof WindVane.call !== 'undefined';
@@ -25,6 +27,8 @@ export default {
   isWeb,
   isNode,
   isWeex,
+  isKraken,
+  isPHA,
   isThemis,
   isMiniApp,
   isByteDanceMicroApp,