diff --git a/star_lock/lib/main/lockDetail/electronicKey/electronicKeyPeriodValidity/electronicKeyPeriodValidity_page.dart b/star_lock/lib/main/lockDetail/electronicKey/electronicKeyPeriodValidity/electronicKeyPeriodValidity_page.dart
index e8cbf9d3..da48df74 100644
--- a/star_lock/lib/main/lockDetail/electronicKey/electronicKeyPeriodValidity/electronicKeyPeriodValidity_page.dart
+++ b/star_lock/lib/main/lockDetail/electronicKey/electronicKeyPeriodValidity/electronicKeyPeriodValidity_page.dart
@@ -229,11 +229,29 @@ class _ElectronicKeyPeriodValidityPageState
               if ((state.selectIndexList.value.isNotEmpty &&
                   state.isHaveEffectiveDate.value == true &&
                   state.isHaveFailureDate.value == true)) {
-                Map<String, dynamic> resultMap = {};
-                resultMap['validityValue'] = state.selectIndexList.value;
-                resultMap['starDate'] = state.effectiveDateTime.value;
-                resultMap['endDate'] = state.failureDateTime.value;
-                Navigator.pop(context, resultMap);
+                DateTime startDateTime = DateTime(
+                    state.effectiveDateTime.value.year,
+                    state.effectiveDateTime.value.month,
+                    state.effectiveDateTime.value.day,
+                    state.effectiveDateTime.value.hour,
+                    state.effectiveDateTime.value.minute);
+                DateTime endDateTime = DateTime(
+                    state.failureDateTime.value.year,
+                    state.failureDateTime.value.month,
+                    state.failureDateTime.value.day,
+                    state.failureDateTime.value.hour,
+                    state.failureDateTime.value.minute);
+                //时间判断
+                if (!startDateTime.isBefore(endDateTime) ||
+                    startDateTime.isAtSameMomentAs(endDateTime)) {
+                  Toast.show(msg: '失效时间需大于生效时间');
+                } else {
+                  Map<String, dynamic> resultMap = {};
+                  resultMap['validityValue'] = state.selectIndexList.value;
+                  resultMap['starDate'] = state.effectiveDateTime.value;
+                  resultMap['endDate'] = state.failureDateTime.value;
+                  Navigator.pop(context, resultMap);
+                }
               }
             })),
       ],