fix: DEFECT-1197 修复时间间隔拼接cron表达式错误

@@ -21,8 +21,8 @@ export const genPollCronExpression = (value: number, type: TimeUnitEnum) => {
   const placeholder = 'placeholder';
   const expression = {
     [TimeUnitEnum.SECOND]: `${placeholder} * * * * ? *`,
-    [TimeUnitEnum.MINUTE]: `* ${placeholder} * * * ? *`,
-    [TimeUnitEnum.HOUR]: `* * ${placeholder} * * ? *`,
+    [TimeUnitEnum.MINUTE]: `0 ${placeholder} * * * ? *`,
+    [TimeUnitEnum.HOUR]: `0 0 ${placeholder} * * ? *`,
   };
   const newExpression = expression[type];
   return newExpression.replace(placeholder, `0/${value}`);