diff --git a/code/app/task/crawler/zw630/Scheduler.php b/code/app/task/crawler/zw630/Scheduler.php
index dd46ce4..3dd2394 100644
--- a/code/app/task/crawler/zw630/Scheduler.php
+++ b/code/app/task/crawler/zw630/Scheduler.php
@@ -26,9 +26,9 @@ class Scheduler extends ZwScheduler
     {
         $this->intSlice = 3;
 
-        $this->intStartNSourceId = config('crawler.novel_start_n_source_id');
+        $this->intStartNSourceId = (int) config('crawler.novel_start_n_source_id');
 
-        $this->intEndNSourceId = config('crawler.novel_end_n_source_id');
+        $this->intEndNSourceId = (int) config('crawler.novel_end_n_source_id');
     }
 
     /**
diff --git a/code/app/task/crawler/zw74/Scheduler.php b/code/app/task/crawler/zw74/Scheduler.php
index 1ea8724..9fc89b7 100644
--- a/code/app/task/crawler/zw74/Scheduler.php
+++ b/code/app/task/crawler/zw74/Scheduler.php
@@ -21,9 +21,9 @@ class Scheduler extends ZwScheduler
     {
         $this->intSlice = 1;
 
-        $this->intStartNSourceId = config('crawler.novel_start_n_source_id');
+        $this->intStartNSourceId = (int) config('crawler.novel_start_n_source_id');
 
-        $this->intEndNSourceId = config('crawler.novel_end_n_source_id');
+        $this->intEndNSourceId = (int) config('crawler.novel_end_n_source_id');
     }
 
     /**