diff --git a/hardware/tools/esp8266/sdk/changelog.txt b/hardware/tools/esp8266/sdk/changelog.txt
index 12e9aa55e..68a53e296 100644
--- a/hardware/tools/esp8266/sdk/changelog.txt
+++ b/hardware/tools/esp8266/sdk/changelog.txt
@@ -1,3 +1,10 @@
+esp_iot_sdk_v1.0.1_15_05_04_p1
+-------------------------------------------
+Here is a patch for station+softAP issue that users may have, based on SDK_v1.0.1, 
+solved problem that connect to ESP8266 softAP may fail in station+softAP mode.
+
+Sorry for the inconvenience.
+
 esp_iot_sdk_v1.0.1_15_04_24 Release Note 
 -------------------------------------------
 
diff --git a/hardware/tools/esp8266/sdk/lib/libnet80211.a b/hardware/tools/esp8266/sdk/lib/libnet80211.a
index 1e908b85c..2fa845c3b 100644
Binary files a/hardware/tools/esp8266/sdk/lib/libnet80211.a and b/hardware/tools/esp8266/sdk/lib/libnet80211.a differ
diff --git a/hardware/tools/esp8266/sdk/version b/hardware/tools/esp8266/sdk/version
index 5fc098013..fd9c79de5 100644
--- a/hardware/tools/esp8266/sdk/version
+++ b/hardware/tools/esp8266/sdk/version
@@ -1 +1 @@
-1.0.1_15_04_24
\ No newline at end of file
+1.0.1_15_05_04_p1
\ No newline at end of file