diff --git a/core/management/commands/crawl_all_websites.py b/core/management/commands/crawl_all_websites.py
index 25e2b0f..d71cb71 100644
--- a/core/management/commands/crawl_all_websites.py
+++ b/core/management/commands/crawl_all_websites.py
@@ -101,8 +101,14 @@ class Command(BaseCommand):
         
         # 验证网站名称
         if websites:
+            # 确保websites是列表类型
+            if isinstance(websites, str):
+                websites = [websites]
             invalid_websites = [w for w in websites if w not in WEBSITE_SEARCH_CONFIGS]
             if invalid_websites:
+                # 确保invalid_websites是可迭代的
+                if isinstance(invalid_websites, str):
+                    invalid_websites = [invalid_websites]
                 self.stdout.write(
                     self.style.ERROR(f"不支持的网站: {', '.join(invalid_websites)}")
                 )
@@ -121,6 +127,9 @@ class Command(BaseCommand):
         
         self.stdout.write(f"开始一键爬取任务...")
         self.stdout.write(f"爬取模式: {mode}")
+        # 确保target_websites是可迭代的
+        if isinstance(target_websites, str):
+            target_websites = [target_websites]
         self.stdout.write(f"目标网站: {', '.join(target_websites)}")
         if keyword:
             self.stdout.write(f"关键词: {keyword}")
diff --git a/core/management/commands/crawl_by_keyword.py b/core/management/commands/crawl_by_keyword.py
index 9624dfe..fb06880 100644
--- a/core/management/commands/crawl_by_keyword.py
+++ b/core/management/commands/crawl_by_keyword.py
@@ -86,8 +86,14 @@ class Command(BaseCommand):
         
         # 验证网站名称
         if websites:
+            # 确保websites是列表类型
+            if isinstance(websites, str):
+                websites = [websites]
             invalid_websites = [w for w in websites if w not in WEBSITE_SEARCH_CONFIGS]
             if invalid_websites:
+                # 确保invalid_websites是可迭代的
+                if isinstance(invalid_websites, str):
+                    invalid_websites = [invalid_websites]
                 self.stdout.write(
                     self.style.ERROR(f"不支持的网站: {', '.join(invalid_websites)}")
                 )
@@ -96,7 +102,10 @@ class Command(BaseCommand):
         
         self.stdout.write(f"开始爬取任务...")
         self.stdout.write(f"关键词: {keyword}")
+        # 确保websites是可迭代的
         if websites:
+            if isinstance(websites, str):
+                websites = [websites]
             self.stdout.write(f"目标网站: {', '.join(websites)}")
         else:
             self.stdout.write(f"目标网站: 所有支持的网站 ({len(WEBSITE_SEARCH_CONFIGS)}个)")