diff --git a/pkg/util/paramtable/component_param.go b/pkg/util/paramtable/component_param.go
index a9541b6ea8e8b..004872faadbe2 100644
--- a/pkg/util/paramtable/component_param.go
+++ b/pkg/util/paramtable/component_param.go
@@ -33,9 +33,9 @@ const (
 	DefaultIndexSliceSize                      = 16
 	DefaultGracefulTime                        = 5000 // ms
 	DefaultGracefulStopTimeout                 = 1800 // s
-	DefaultHighPriorityThreadCoreCoefficient   = 100
-	DefaultMiddlePriorityThreadCoreCoefficient = 50
-	DefaultLowPriorityThreadCoreCoefficient    = 10
+	DefaultHighPriorityThreadCoreCoefficient   = 10
+	DefaultMiddlePriorityThreadCoreCoefficient = 5
+	DefaultLowPriorityThreadCoreCoefficient    = 1
 
 	DefaultSessionTTL        = 60 // s
 	DefaultSessionRetryTimes = 30