diff --git a/api/app/core/config.py b/api/app/core/config.py
index 59c6ff5f..3be6f849 100644
--- a/api/app/core/config.py
+++ b/api/app/core/config.py
@@ -184,7 +184,7 @@ class Settings:
     ENABLE_TOOL_MANAGEMENT: bool = os.getenv("ENABLE_TOOL_MANAGEMENT", "true").lower() == "true"
 
     # official environment system version
-    SYSTEM_VERSION: str = os.getenv("SYSTEM_VERSION", "v0.2.0")
+    SYSTEM_VERSION: str = os.getenv("SYSTEM_VERSION", "v0.2.1")
 
     # workflow config
     WORKFLOW_NODE_TIMEOUT: int = int(os.getenv("WORKFLOW_NODE_TIMEOUT", 600))
diff --git a/api/app/core/tools/builtin/baidu_search_tool.py b/api/app/core/tools/builtin/baidu_search_tool.py
index 02431aed..45d4c359 100644
--- a/api/app/core/tools/builtin/baidu_search_tool.py
+++ b/api/app/core/tools/builtin/baidu_search_tool.py
@@ -16,7 +16,7 @@ class BaiduSearchTool(BuiltinTool):
     
     @property
     def description(self) -> str:
-        return "百度搜索 - 搜索引擎服务：网页搜索、新闻搜索、图片搜索、实时结果"
+        return "百度搜索 - 搜索引擎服务：网页搜索、新闻搜索、图片搜索、视频搜索"
     
     def get_required_config_parameters(self) -> List[str]:
         return ["api_key"]
@@ -33,7 +33,7 @@ class BaiduSearchTool(BuiltinTool):
             ToolParameter(
                 name="search_type",
                 type=ParameterType.STRING,
-                description="搜索类型",
+                description="搜索类型, web: 网页搜索；news：新闻搜索；image：图片搜索；video视频搜索",
                 required=False,
                 default="web",
                 enum=["web", "news", "image", "video"]
diff --git a/api/app/version_info.json b/api/app/version_info.json
index 20896845..bee52989 100644
--- a/api/app/version_info.json
+++ b/api/app/version_info.json
@@ -1,4 +1,34 @@
 {
+  "v0.2.1": {
+    "introduction": {
+      "codeName": "启知",
+      "releaseDate": "2026-1-23",
+      "upgradePosition": "\uD83D\uDC3B 本次更新主要优化使用体验和修复已知问题，让系统更稳定、更好用。",
+      "coreUpgrades": [
+        "1. 工作流更好用了\n* 界面更清晰，一眼看懂怎么配置\n* 新增节点输出变量展示，方便其他节点引用\n* 修复了几个影响体验的bug",
+        "2. 智能体配置更简单\n* 提示词和变量联动更顺畅\n* 配置界面重新整理，找功能更方便",
+        "3. 记忆系统更稳定\n* 优化了情绪记忆和隐性记忆的缓存更新\n* 修复了记忆配置页面的报错问题\n* 现在能自动识别用户和AI的身份了",
+        "4. 知识库体验提升\n* 修复了文档解析异常的问题\n* 上传文档时能看到处理进度了\n* 取消了操作也不会报错了",
+        "5. 系统整体更可靠\n* 修复了新用户访问跳转问题\n* 流式接口更稳定，长对话不断线\n* 调整了菜单顺序，操作更顺手\n",
+        "这次更新虽然不大，但让记忆熊的基础更扎实、体验更流畅。我们继续努力，让AI记忆更好用！",
+        "记忆熊，记得更牢，用得更好。\uD83D\uDC3B✨"
+      ]
+    },
+    "introduction_en": {
+      "codeName": "Qizhi",
+      "releaseDate": "2026-1-23",
+      "upgradePosition": "\uD83D\uDC3B This update focuses on improving usability and fixing known issues, making the system more stable and easier to use overall.",
+      "coreUpgrades": [
+        "1. Improved Workflow Experience\nCleaner, more intuitive UI for easier configuration at a glance\nAdded visibility of node output variables, making them easier to reference in downstream nodes\nFixed several usability-related bugs that affected the workflow experience",
+        "2. Simpler Agent Configuration\nSmoother linkage between prompts and variables\nReorganized configuration layout for easier navigation and better clarity",
+        "3. More Stable Memory System\nOptimized cache refresh for emotional memory and implicit memory\nFixed error issues on the memory configuration page\nThe system can now automatically distinguish between user and AI roles",
+        "4. Enhanced Knowledge Base Experience\nFixed issues with document parsing failures\nUpload progress is now displayed during document processing\nCanceling an upload no longer triggers errors",
+        "5. Overall System Reliability Improvements\nFixed redirect issues affecting new users\nImproved stability of streaming APIs to prevent interruptions during long conversations\nAdjusted menu ordering for a smoother and more intuitive workflow\n",
+        "Although this is a relatively small update, it strengthens MemoryBear’s foundation and delivers a noticeably smoother experience.\nWe’ll keep refining the system to make AI memory more powerful and easier to use.",
+        "MemoryBear — remember better, work smarter. \uD83D\uDC3B✨"
+      ]
+    }
+  },
   "v0.2.0": {
     "introduction": {
       "codeName": "启知",