diff --git a/examples/BasicUnit/TouchMultitask/TouchMultitask.ino b/examples/BasicUnit/TouchMultitask/TouchMultitask.ino
new file mode 100644
index 0000000..3438a71
--- /dev/null
+++ b/examples/BasicUnit/TouchMultitask/TouchMultitask.ino
@@ -0,0 +1,73 @@
+/*
+* The example shows that calling TTGOClass objects in multitasking must
+* implement a mutex lock,otherwise it will cause panic
+* Copyright 2020 Lewis he
+*/
+
+#include "config.h"
+
+TTGOClass *ttgo = nullptr;
+
+char buf[128];
+int16_t x, y;
+
+static SemaphoreHandle_t xSemaphores = NULL;
+
+void touch_task(void *args)
+{
+    for (;;) {
+        if ( xSemaphoreTake( xSemaphores, ( TickType_t ) 10 ) == pdTRUE ) {
+            if (ttgo->getTouch(x, y)) {
+                sprintf(buf, "[task] x:%03d  y:%03d", x, y);
+                ttgo->tft->drawString(buf, 60, 40);
+                Serial.println(buf);
+            }
+            xSemaphoreGive( xSemaphores );
+        }
+        delay(20);
+    }
+}
+
+void touch_task1(void *args)
+{
+    for (;;) {
+        if ( xSemaphoreTake( xSemaphores, ( TickType_t ) 10 ) == pdTRUE ) {
+            if (ttgo->getTouch(x, y)) {
+                sprintf(buf, "[task1] x:%03d  y:%03d", x, y);
+                ttgo->tft->drawString(buf, 60, 60);
+                Serial.println(buf);
+            }
+            xSemaphoreGive( xSemaphores );
+        }
+        delay(20);
+    }
+}
+
+void setup()
+{
+    Serial.begin(115200);
+    ttgo = TTGOClass::getWatch();
+    ttgo->begin();
+    ttgo->openBL();
+    ttgo->tft->fillScreen(TFT_BLACK);
+    ttgo->tft->setTextFont(2);
+    ttgo->tft->setTextColor(TFT_WHITE, TFT_BLACK);
+    ttgo->tft->drawString("Touch task test", 62, 20);
+
+    xSemaphores = xSemaphoreCreateMutex();
+    xTaskCreate(touch_task, "touch", 2048, NULL, 5, NULL);
+    xTaskCreate(touch_task1, "touch1", 2048, NULL, 5, NULL);
+}
+
+void loop()
+{
+    if ( xSemaphoreTake( xSemaphores, ( TickType_t ) 10 ) == pdTRUE ) {
+        if (ttgo->getTouch(x, y)) {
+            sprintf(buf, "[loop] x:%03d  y:%03d", x, y);
+            ttgo->tft->drawString(buf, 60, 80);
+            Serial.println(buf);
+        }
+        xSemaphoreGive( xSemaphores );
+    }
+    delay(20);
+}
diff --git a/examples/BasicUnit/TouchMultitask/config.h b/examples/BasicUnit/TouchMultitask/config.h
new file mode 100644
index 0000000..cc06805
--- /dev/null
+++ b/examples/BasicUnit/TouchMultitask/config.h
@@ -0,0 +1,12 @@
+
+// => Hardware select
+// #define LILYGO_WATCH_2019_WITH_TOUCH             // To use T-Watch2019 with touchscreen, please uncomment this line
+// #define LILYGO_WATCH_2020_V1                     // To use T-Watch2020 V1, please uncomment this line
+// #define LILYGO_WATCH_2020_V2                     // To use T-Watch2020 V2, please uncomment this line
+
+// NOT SUPPORT ...
+//// #define LILYGO_WATCH_2019_NO_TOUCH
+//// #define LILYGO_WATCH_BLOCK
+// NOT SUPPORT ...
+
+#include <LilyGoWatch.h>
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