Update README.md

krenx1983 · web-flow · commit f6802c5e389d · 2025-04-13T14:42:52.000+08:00
diff --git a/README.md b/README.md
@@ -92,3 +92,6 @@ Linking CXX shared library _thosttraderapi.so
 [100%] Built target _thosttraderapi
 [krenx]$
 ```
+### 技术交流
+QQ群：546977604
+微信群+v：openctp_helper
