diff --git a/modules/api/app/controller/strategy/strategy_controller.go b/modules/api/app/controller/strategy/strategy_controller.go
index 74deec1ba..d3d5b83f3 100644
--- a/modules/api/app/controller/strategy/strategy_controller.go
+++ b/modules/api/app/controller/strategy/strategy_controller.go
@@ -135,7 +135,7 @@ type APIUpdateStrategyInput struct {
 
 func (this APIUpdateStrategyInput) CheckFormat() (err error) {
 	validOp := regexp.MustCompile(`^(>|=|<|!)(=)?$`)
-	validRightValue := regexp.MustCompile(`^\d+$`)
+	validRightValue := regexp.MustCompile(`^\-?\d+(\.\d+)?$`)
 	validTime := regexp.MustCompile(`^\d{2}:\d{2}$`)
 	switch {
 	case !validOp.MatchString(this.Op):