diff --git a/README.md b/README.md
index fa58c30..a7a2844 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,7 @@
+# Official Q&A site
+
+https://groups.google.com/forum/#!forum/livox-lidars
+
 # 1 Introduction
 
 Livox SDK is the software development kit designed for all Livox products. It is developed based on C/C++ following Livox SDK Communication Protocol, and provides easy-to-use C style API. With Livox SDK, users can quickly connect to Livox products and receive point cloud data. 
@@ -93,4 +97,4 @@ After compiling the Livox SDK as shown in section 4.1.2, you can find `hub_sampl
 # 5 Support
 You can get support from Livox with the following methods:
 * Send email to dev@livoxtech.com with a clear description of your problem and your setup
-* Github Issues
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+* Github Issues