diff --git a/Data~/hybridclr_version.json b/Data~/hybridclr_version.json
index cca5312..46ce6d7 100644
--- a/Data~/hybridclr_version.json
+++ b/Data~/hybridclr_version.json
@@ -2,18 +2,18 @@
     "versions": [
     {
         "unity_version":"2020",
-        "hybridclr" : { "branch":"v3.3.0"},
-        "il2cpp_plus": { "branch":"v2020-3.3.0"}
+        "hybridclr" : { "branch":"v3.3.1"},
+        "il2cpp_plus": { "branch":"v2020-3.3.1"}
     },
     {
         "unity_version":"2021",
-        "hybridclr" : { "branch":"v3.3.0"},
-        "il2cpp_plus": { "branch":"v2021-3.3.0"}
+        "hybridclr" : { "branch":"v3.3.1"},
+        "il2cpp_plus": { "branch":"v2021-3.3.1"}
     },
     {
         "unity_version":"2022",
-        "hybridclr" : { "branch":"v3.3.0"},
-        "il2cpp_plus": { "branch":"v2022-3.3.0"}
+        "hybridclr" : { "branch":"v3.3.1"},
+        "il2cpp_plus": { "branch":"v2022-3.3.1"}
     }
     ]
 }
\ No newline at end of file
diff --git a/RELEASELOG.md b/RELEASELOG.md
index 4f781a3..26e3d66 100644
--- a/RELEASELOG.md
+++ b/RELEASELOG.md
@@ -1,8 +1,23 @@
 # 发布日志
 
+## 3.4.1
+
+发布日期 2023.07.31。
+
+### Runtime
+
+- [fix] 修复 InitializeRuntimeMetadata的内存可见性问题
+- [fix] 修复CustomAttribute未正确处理父类NamedArg导致崩溃的bug
+- [opt] 优化Transfrom Instinct指令的代码，从HashMap中快速查找而不是挨个匹配
+
+### Editor
+
+- [fix] 修复FilterHotFixAssemblies只对比程序集名尾部，导致有AOT的尾部与某个热更新程序集匹配时意外被过滤的bug
+- [change] 检查Settings中热更新程序集列表配置中程序集名不能为空
+
 ## 3.4.0
 
-发布日志 2023.07.17。
+发布日期 2023.07.17。
 
 ### Runtime
 
diff --git a/package.json b/package.json
index b28bd6a..8038bd2 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "com.code-philosophy.hybridclr",
-  "version": "3.4.0",
+  "version": "3.4.1",
   "displayName": "HybridCLR",
   "description": "HybridCLR is a fully featured, zero-cost, high-performance, low-memory solution for Unity's all-platform native c# hotupdate.",
   "category": "Runtime",