diff --git a/hardware/esp8266com/esp8266/cores/esp8266/Esp.cpp b/hardware/esp8266com/esp8266/cores/esp8266/Esp.cpp
index fc814976ce..ec7f469daa 100644
--- a/hardware/esp8266com/esp8266/cores/esp8266/Esp.cpp
+++ b/hardware/esp8266com/esp8266/cores/esp8266/Esp.cpp
@@ -100,7 +100,7 @@ void EspClass::wdtDisable(void)
 
 void EspClass::wdtFeed(void)
 {
-
+    system_soft_wdt_feed();
 }
 
 extern "C" void esp_yield();
diff --git a/hardware/esp8266com/esp8266/tools/sdk/changelog.txt b/hardware/esp8266com/esp8266/tools/sdk/changelog.txt
index ad755f7a48..7f7db13f78 100644
--- a/hardware/esp8266com/esp8266/tools/sdk/changelog.txt
+++ b/hardware/esp8266com/esp8266/tools/sdk/changelog.txt
@@ -1,3 +1,15 @@
+esp_iot_sdk_v1.3.0_15_08_10_p1 Release Note
+----------------------------------------
+
+Here is a patch based on esp_iot_sdk_v1.3.0 (non-OS SDK) resolved issue that if there are 2 connections, one is normal TCP connection, the other is SSL connection, it may cause memory leak.
+
+Download and unzip the attachment, replace the lib in esp_iot_sdk/lib folder.
+
+Please do not set the same priority for two different tasks when using system_os_task.
+
+Sorry for the inconvenience.
+
+
 esp_iot_sdk_v1.3.0_15_08_08 Release Note
 ----------------------------------------
 
diff --git a/hardware/esp8266com/esp8266/tools/sdk/lib/libssl.a b/hardware/esp8266com/esp8266/tools/sdk/lib/libssl.a
index 8ba48e1a38..5977a723be 100644
Binary files a/hardware/esp8266com/esp8266/tools/sdk/lib/libssl.a and b/hardware/esp8266com/esp8266/tools/sdk/lib/libssl.a differ
diff --git a/hardware/esp8266com/esp8266/tools/sdk/version b/hardware/esp8266com/esp8266/tools/sdk/version
index f0bb29e763..e8397674e6 100644
--- a/hardware/esp8266com/esp8266/tools/sdk/version
+++ b/hardware/esp8266com/esp8266/tools/sdk/version
@@ -1 +1 @@
-1.3.0
+1.3.0_15_08_10_p1
\ No newline at end of file