diff --git a/WebCrawler/javdb.py b/WebCrawler/javdb.py
index 45f2509..1aadfca 100644
--- a/WebCrawler/javdb.py
+++ b/WebCrawler/javdb.py
@@ -212,6 +212,7 @@ def main(number):
         # else:
         #     number = number.upper()
         number = number.upper()
+        isFC2PPV = bool(re.search(r'^FC2-\d+', number))
         cookie_json = './' + javdb_site + '.json'
         javdb_cookies = None
         # 不加载过期的cookie，javdb登录界面显示为7天免登录，故假定cookie有效期为7天
@@ -240,6 +241,9 @@ def main(number):
             try:
                 correct_url = urls[ids.index(number)]
             except:
+                # 为避免获得错误番号，FC2 PPV 只要精确对应的结果
+                if isFC2PPV and ids[0] != number:
+                    raise ValueError("number not found")
                 # if input number is "STAR438" not "STAR-438", use first search result.
                 correct_url = urls[0]
         try:
@@ -264,9 +268,12 @@ def main(number):
             imagecut = 1
             cover_small = getCover(detail_page)
 
-        number = getNum(detail_page)
+        dp_number = getNum(detail_page)
+        if isFC2PPV and dp_number != number:
+            raise ValueError("number not found")
         title = getTitle(detail_page)
-        if title and number:
+        if title and dp_number:
+            number = dp_number
             # remove duplicate title
             title = title.replace(number, '').strip()
 
@@ -305,6 +312,7 @@ def main(number):
 if __name__ == "__main__":
     # print(main('blacked.20.05.30'))
     # print(main('AGAV-042'))
-    print(main('BANK-022'))
+    # print(main('BANK-022'))
     print(main('FC2-735670'))
-    print(main('MVSD-439'))
\ No newline at end of file
+    print(main('FC2-1174949'))
+    print(main('MVSD-439'))