diff --git a/ChangeLog.rst b/ChangeLog.rst
index 8090a2bc..163e88fa 100644
--- a/ChangeLog.rst
+++ b/ChangeLog.rst
@@ -1,3 +1,7 @@
+3.8.6
+-----
+* The `frame.f_locals` of `wrapper` and wrapped function return an empty dictionary, all the other frames still return original value.
+
 3.8.5
 -----
 * The `frame.f_locals` of all frames will always return an empty dictionary to protect runtime data.
diff --git a/src/platforms/README.md b/src/platforms/README.md
index e6f27d75..8521716f 100644
--- a/src/platforms/README.md
+++ b/src/platforms/README.md
@@ -1,8 +1,8 @@
 # Downlaods for Pyarmor Prebuilt Dynamic Library #
 
-Latest version: **3.3.0**
+Latest version: **3.3.1**
 
-Build date: 2018-4-4
+Build date: 2018-4-6
 
 The core of Pyarmor is written by C, the prebuilt dynamic libraries
 include the common platforms and some embeded platforms. It's not
@@ -45,6 +45,11 @@ The name of platform is decomposed from distutils.util.get_platform()
 
 ## Change Logs
 
+### 3.3.1
+
+* `__wraparmor__` only clears frame of `wrapper` and wrapped function when exception raised.
+* Refine setter of `frame.f_locals`, only `wrapper` and wrapped function return empty dictionary.
+
 ### 3.3.0
 
 * Add extra argument `tb` when call `__wraparmor__` in decorator, None if no exception.