diff --git a/oneforall/modules/datasets/dnsdb_api.py b/oneforall/modules/datasets/dnsdb_api.py
index d76db9b..2c010cb 100644
--- a/oneforall/modules/datasets/dnsdb_api.py
+++ b/oneforall/modules/datasets/dnsdb_api.py
@@ -25,10 +25,9 @@ class DNSdbAPI(Query):
         resp = self.get(url)
         if not resp:
             return
-        if resp.status_code == 200:
-            subdomains = utils.match_subdomain(self.domain, resp.text)
-            # 合并搜索子域名搜索结果
-            self.subdomains = self.subdomains.union(subdomains)
+        subdomains = utils.match_subdomain(self.domain, resp.text)
+        # 合并搜索子域名搜索结果
+        self.subdomains = self.subdomains.union(subdomains)
 
     def run(self):
         """