diff --git a/srctag/collector.py b/srctag/collector.py
index aefd6b6..62aeeeb 100644
--- a/srctag/collector.py
+++ b/srctag/collector.py
@@ -126,19 +126,18 @@ def _check_env(self) -> typing.Optional[BaseException]:
 
     def _collect_files(self, ctx: RuntimeContext):
         """collect all files which tracked by git"""
-        git_repo = git.Repo(self.config.repo_root)
-        git_track_files = set([each[1].path for each in git_repo.index.iter_blobs()])
         if self.config.include_file_list:
             logger.info("use specific file list")
             for each in self.config.include_file_list:
-                if each not in git_track_files:
-                    logger.warning(f"specific file {each} not in git track, ignored")
-                    continue
                 ctx.files[each] = FileContext(each)
             # END file list loop
             return
         # END check file list
 
+        logger.info("include file list is empty, use regex")
+        git_repo = git.Repo(self.config.repo_root)
+        git_track_files = set([each[1].path for each in git_repo.index.iter_blobs()])
+
         include_regex = None
         if self.config.include_regex:
             include_regex = re.compile(self.config.include_regex)