diff --git a/src/utils/param-converter/convert-param.ts b/src/utils/param-converter/convert-param.ts
index 1162a441f..fde37b961 100644
--- a/src/utils/param-converter/convert-param.ts
+++ b/src/utils/param-converter/convert-param.ts
@@ -7,7 +7,7 @@ const convertParam = (value: any, propertyType: string): any => {
     return Boolean(value)
   }
 
-  if (['datetime', 'date'].includes(propertyType)) {
+  if (['datetime', 'date'].includes(propertyType) && value !== null) {
     return new Date(value)
   }