diff --git a/htykc/src/ws_clazz.rs b/htykc/src/ws_clazz.rs
index 70211ee..db4f08f 100644
--- a/htykc/src/ws_clazz.rs
+++ b/htykc/src/ws_clazz.rs
@@ -178,8 +178,8 @@ fn raw_find_all_non_repeatable_within_date_range_by_hty_id(
     params: &HashMap<String, String>,
 ) -> anyhow::Result<Vec<ReqClazz>> {
     let start_from =
-        string_to_datetime(&get_some_from_query_params::<String>("start_from", &params))?;
-    let end_by = string_to_datetime(&get_some_from_query_params::<String>("end_by", &params))?;
+        string_to_date(&get_some_from_query_params::<String>("start_from", &params))?;
+    let end_by = string_to_date(&get_some_from_query_params::<String>("end_by", &params))?;
 
     debug!(
         "raw_find_all_non_repeatable_within_date_range_by_hty_id -> start_from: {:?}",
@@ -376,8 +376,8 @@ fn raw_find_all_repeatable_within_date_range_by_hty_id(
     params: &HashMap<String, String>,
 ) -> anyhow::Result<Vec<ReqClazzWithRepeat>> {
     let start_from =
-        string_to_datetime(&get_some_from_query_params::<String>("start_from", &params))?;
-    let end_by = string_to_datetime(&get_some_from_query_params::<String>("end_by", &params))?;
+        string_to_date(&get_some_from_query_params::<String>("start_from", &params))?;
+    let end_by = string_to_date(&get_some_from_query_params::<String>("end_by", &params))?;
 
     debug!(
         "raw_find_all_repeatable_within_date_range_by_hty_id -> start_from: {:?}",