diff --git a/host/JiShe.IoT.HttpApi.Host/configs/appsettings.Development.json b/host/JiShe.IoT.HttpApi.Host/configs/appsettings.Development.json
index f3c38c8..e552a2d 100644
--- a/host/JiShe.IoT.HttpApi.Host/configs/appsettings.Development.json
+++ b/host/JiShe.IoT.HttpApi.Host/configs/appsettings.Development.json
@@ -44,7 +44,7 @@
     "ConnectionTimeout": 30,
     "OperationTimeout": 30,
     "KeepAliveInterval": 30,
-    "TaskThreadCount": 1,
+    "TaskThreadCount": 8,
     "IsSubscriber": true,
     "DefaultPartitions": 16,
     "DefaultBundles": 16,