diff --git a/paas2/VERSION b/paas2/VERSION
index 33d8a7b77..b5da64722 100644
--- a/paas2/VERSION
+++ b/paas2/VERSION
@@ -1 +1 @@
-2.12.47
+2.12.48
diff --git a/paas2/release.md b/paas2/release.md
index 5826fe47e..91d6a1aab 100644
--- a/paas2/release.md
+++ b/paas2/release.md
@@ -1,5 +1,10 @@
 Release Log
 ===============================
+# 2.12.48
+    - update: esb add invalid usernames for cmsi
+    - update: esb add cache for db query
+    - update: esb support disable mysql pool
+
 # 2.12.47
     - update: esb update usermanage apis, for bk_login