modify plugin name

RoundValidator.php

@@ -23,11 +23,13 @@ class RoundValidator extends BaseValidator
 	 */
 	public function trigger(): bool
 	{
-		$value = $this->model->getAttribute($this->field);
-		if ($value == null || round($value, $this->value) != $value) {
-			return $this->addError('The param :attribute length error');
-		}
-		return true;
+		return $this->_validator($this->field, function ($field, $model, $param) {
+			$value = $model->getAttribute($field);
+			if ($value == null || round($value, $param) != $value) {
+				return $this->addError('The param :attribute length error');
+			}
+			return true;
+		},  $this->model, $this->value);
 	}