diff --git a/src/pages/Container/EduAgentTraining/ClassManage/Add/index.js b/src/pages/Container/EduAgentTraining/ClassManage/Add/index.js
index 17a9813..ffa38b5 100644
--- a/src/pages/Container/EduAgentTraining/ClassManage/Add/index.js
+++ b/src/pages/Container/EduAgentTraining/ClassManage/Add/index.js
@@ -89,6 +89,11 @@ function ClassAddPage(props) {
                 props.history.goBack();
             }
         })();
+        return () => {
+            props.resetModelState(NS_COURSEWARE, {
+                classDetailData: {}
+            });
+        }
     }, []);
 
     const handleSubmit = async () => {
diff --git a/src/pages/Container/EduAgentTraining/ClassManage/List/index.js b/src/pages/Container/EduAgentTraining/ClassManage/List/index.js
index dace1eb..2493449 100644
--- a/src/pages/Container/EduAgentTraining/ClassManage/List/index.js
+++ b/src/pages/Container/EduAgentTraining/ClassManage/List/index.js
@@ -27,11 +27,13 @@ const buildQuery = (value) => {
   return {
     ...rest,
     ...(trainingDateRange?.[0]
-      ? { startDateBegin: trainingDateRange[0].format("YYYY-MM-DD") }
-      : {}),
+      ? { startDateBegin: trainingDateRange[0]?.startOf("day")
+                    .format("YYYY-MM-DD HH:mm:ss") }
+      : {startDateBegin: undefined}),
     ...(trainingDateRange?.[1]
-      ? { endDateEnd: trainingDateRange[1].format("YYYY-MM-DD") }
-      : {}),
+      ? { endDateEnd: trainingDateRange[1]?.endOf("day")
+                    .format("YYYY-MM-DD HH:mm:ss") }
+      : {endDateEnd: undefined}),
     current: 1,
     size: 10,
   };