diff --git a/app/Services/EventCalendarService.php b/app/Services/EventCalendarService.php
index 76faa56..bedde52 100644
--- a/app/Services/EventCalendarService.php
+++ b/app/Services/EventCalendarService.php
@@ -61,21 +61,8 @@ class EventCalendarService extends BaseService
             $end_time = get_datetime('datetime', strtotime($data['end_time']));
 
             // 活动开始时间不能在已有活动时间内
-            $exists = EventCalendar::query()->whereIn('status', [0, 1])->where(
-                'pattern_id',
-                $data['pattern_id']
-            )
-                ->where(function ($query) use ($start_time) {
-                    $query->whereRaw(
-                        "'{$start_time}' BETWEEN start_time AND end_time"
-                    );
-                })
-                ->exists();
-            if ($exists) {
-                throw new Exception(
-                    __('service.event_calendar.pattern_exists')
-                );
-            }
+            $this->validateTime($data['pattern_id'], $start_time);
+            $this->validateTime($data['pattern_id'], $end_time);
 
             $model = EventCalendar::query()->create([
                 'pattern_id'    => $data['pattern_id'],
@@ -96,6 +83,29 @@ class EventCalendarService extends BaseService
         }
     }
 
+    // 验证时间是否在已有模式下存在
+    protected function validateTime($pattern_id, $start_time, $id = 0)
+    {
+        $where = [['pattern_id', '=', $pattern_id]];
+        if ($id) {
+            $where[] = ['id', '<>', $id];
+        }
+        $exists = EventCalendar::query()->whereIn('status', [0, 1])->where(
+            $where
+        )
+            ->where(function ($query) use ($start_time) {
+                $query->whereRaw(
+                    "'{$start_time}' BETWEEN start_time AND end_time"
+                );
+            })
+            ->exists();
+        if ($exists) {
+            throw new Exception(
+                __('service.event_calendar.pattern_exists')
+            );
+        }
+    }
+
     /**
      * @param array  $data
      * @param string $id
@@ -109,24 +119,7 @@ class EventCalendarService extends BaseService
                 && isset($data['start_time'])
             ) {
                 $start_time = $data['start_time'];
-                $existsWhere = [
-                    ['pattern_id', '=', $data['pattern_id']],
-                    ['id', '<>', $id]
-                ];
-                if (EventCalendar::query()->where($existsWhere)->whereIn(
-                    'status',
-                    [0, 1]
-                )
-                    ->where(function ($query) use ($start_time) {
-                        $query->whereRaw(
-                            "'{$start_time}' BETWEEN start_time AND end_time"
-                        );
-                    })->exists()
-                ) {
-                    throw new Exception(
-                        __('service.event_calendar.pattern_exists')
-                    );
-                }
+                $this->validateTime($data['pattern_id'], $start_time, $id);
             }
             $model = EventCalendar::query()->findOrFail($id);
             $oldValues = $model->toArray();