diff --git a/pkg/util/paramtable/component_param.go b/pkg/util/paramtable/component_param.go
index d41dc2b755..d8ca18a9d3 100644
--- a/pkg/util/paramtable/component_param.go
+++ b/pkg/util/paramtable/component_param.go
@@ -1111,18 +1111,16 @@ So adjust at your risk!`,
 		Key:          "proxy.maxVectorFieldNum",
 		Version:      "2.4.0",
 		DefaultValue: "4",
-		Formatter: func(v string) string {
-			if getAsInt(v) > 10 {
-				return "10"
-			}
-			return v
-		},
 		PanicIfEmpty: true,
 		Doc:          "Maximum number of vector fields in a collection.",
 		Export:       true,
 	}
 	p.MaxVectorFieldNum.Init(base.mgr)
 
+	if p.MaxVectorFieldNum.GetAsInt() > 10 || p.MaxVectorFieldNum.GetAsInt() <= 0 {
+		panic(fmt.Sprintf("Maximum number of vector fields in a collection should be in (0, 10], not %d", p.MaxVectorFieldNum.GetAsInt()))
+	}
+
 	p.MaxShardNum = ParamItem{
 		Key:          "proxy.maxShardNum",
 		DefaultValue: "16",