diff --git a/README.md b/README.md
index 3e89d5a7c..c2ec042d6 100644
--- a/README.md
+++ b/README.md
@@ -116,8 +116,7 @@ TCP/UDP/MQTT/HTTP、TLS/DTLS、不同厂商、不同设备、不同报文、统
 ### **付费**服务支持或商务合作请联系
 
 <div style="display: flex; gap: 10px;">
-  <img src="./qrCode1.png" alt="商务支持1" width="45%">
-  <img src="./qrCode2.png" alt="商务支持2" width="45%">
+  <img src="./qrCode2.png" alt="商务支持" width="45%">
 </div>
 
 
diff --git a/qrCode1.png b/qrCode1.png
deleted file mode 100644
index 4aa26c015..000000000
Binary files a/qrCode1.png and /dev/null differ