diff --git a/file_object.py b/file_object.py
index dd5cca6..2a65515 100644
--- a/file_object.py
+++ b/file_object.py
@@ -54,11 +54,12 @@ class SFileObject:
                 _content = [str(x) for x in content]
                 file.write("{content}\n".format(content=" ".join(_content)))
 
-    def has(self, tower_number):  # 塔位号是否存在S文件中。
+    def has(self, tower_number):  # 塔位号是否存在S文件中。可能存在多行的情况。
+        indexes=[]
         for index, content in enumerate(self._content):
             if content[0] == tower_number:
-                return index
-        return 0
+                indexes.append(index)
+        return indexes
 
     def content(self):
         return self._content
@@ -79,8 +80,8 @@ class SFileAsSingle:
         ret = []
         for s in s_file:
             d_file_obj = SFileObject(s)
-            index = d_file_obj.has(tower_number)
-            if index > 0:
+            indexes = d_file_obj.has(tower_number)
+            for index in indexes:
                 ret.append((d_file_obj, index))
         return ret