diff --git a/tools/sdk/changelog.txt b/tools/sdk/changelog.txt
index ad750024a..b3faa0773 100644
--- a/tools/sdk/changelog.txt
+++ b/tools/sdk/changelog.txt
@@ -1,3 +1,13 @@
+esp_iot_sdk_v1.1.0_15_05_27_p1 Release Note 
+-------------------------------------------
+
+Here is a patch based on SDK_v1.1.0 resolved issues below:
+1. SDK 1.1.0 may boot fail if SPI Flash speed is 80MHz.
+2. Memory Leak in libssl when SSL connection fail.
+3. Update smartconfig, please using it with the latest Espressif APP https://github.com/EspressifApp
+
+Sorry for the inconvenience.
+
 esp_iot_sdk_v1.1.0_15_05_22 Release Note 
 ----------------------------------------
 Resolved Issues（Bugs below are eligible for Bug Bounty Program):
diff --git a/tools/sdk/lib/libmain.a b/tools/sdk/lib/libmain.a
index 5f1e03f7d..ec7bb4cdf 100644
Binary files a/tools/sdk/lib/libmain.a and b/tools/sdk/lib/libmain.a differ
diff --git a/tools/sdk/lib/libsmartconfig.a b/tools/sdk/lib/libsmartconfig.a
index fc2795df3..b8feefc98 100644
Binary files a/tools/sdk/lib/libsmartconfig.a and b/tools/sdk/lib/libsmartconfig.a differ
diff --git a/tools/sdk/lib/libssl.a b/tools/sdk/lib/libssl.a
index 825f74db2..d68dc61bb 100644
Binary files a/tools/sdk/lib/libssl.a and b/tools/sdk/lib/libssl.a differ
diff --git a/tools/sdk/version b/tools/sdk/version
index 9084fa2f7..a64d2ed43 100644
--- a/tools/sdk/version
+++ b/tools/sdk/version
@@ -1 +1 @@
-1.1.0
+1.1.0_15_05_27_p1
\ No newline at end of file