diff --git a/README.md b/README.md
index 82e4991..0027972 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,10 @@
 This library allows you to use DLLN3X ZigBee mesh module very easily.
 
 # Change Log
+**V1.0.3 2023.1.12**
+
+- Bug fixed for example.
+
 **V1.0.2 2022.12.8**
 
 - Bug fixed.
diff --git a/examples/.DS_Store b/examples/.DS_Store
index 390846f..4eb2eaf 100644
Binary files a/examples/.DS_Store and b/examples/.DS_Store differ
diff --git a/examples/dlln3x_test/dlln3x_test.ino b/examples/dlln3x_test/dlln3x_test.ino
index ce9713d..6c9fd3a 100644
--- a/examples/dlln3x_test/dlln3x_test.ino
+++ b/examples/dlln3x_test/dlln3x_test.ino
@@ -5,11 +5,11 @@ zigbee_frame zframe;
 void zigbee_call_back(uint8_t orig_port,
                       uint8_t dest_port, uint16_t addr,
                       uint8_t data[], int length) {
-  switch (orig_port) {
+  switch (dest_port) {
     case 0x82:
       {
         /* Do everything you want to do */
-        Serial.println("Hello from port 0x82!");
+        printf("Hello from port 0x%X!",orig_port);
         break;
 
         default:
@@ -25,7 +25,7 @@ void setup() {
   zframe.src_port = 0x81;
   zframe.des_port = 0x82;
   *((uint16_t *)&zframe.remote_addrL) = dlln33.read_addr();
-  strncpy((char*)zframe.data,"Hello to port 0x81!",21);
+  strncpy((char*)zframe.data,"Hello to port 0x82!",21);
   zframe.length = 21;
   dlln33.send(&zframe);
 }
diff --git a/library.properties b/library.properties
index 68f1303..26e157c 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name= DLLN3X ZigBee Mesh Module Library 
-version= 1.0.2
+version= 1.0.3
 author= Duke Liu <mentalflow@ourdocs.cn>
 maintainer= Duke Liu <mentalflow@ourdocs.cn>
 sentence= This library allows you to use DLLN3X ZigBee mesh module very easily.