diff --git a/SensorHub.Servers/Common.cs b/SensorHub.Servers/Common.cs
index 843654a..0c55ab3 100644
--- a/SensorHub.Servers/Common.cs
+++ b/SensorHub.Servers/Common.cs
@@ -604,7 +604,7 @@
             long timeStamp = (long)(now - startTime).TotalMilliseconds; //相差毫秒数
 
             string brokers = ConfigurationManager.AppSettings["corrKafkaBrokers"];
-            string topic = ConfigurationManager.AppSettings["corrKafkaBrokers"];
+            string topic = ConfigurationManager.AppSettings["corrKafkaTopic"];
 
             try
             {