diff --git a/CHANGELOG.md b/CHANGELOG.md
index 95c32743..cff5bfb4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -65,6 +65,7 @@ Click up arrow to go back to TOC.
 - Add word check in method man_get_vtt_words_index.
 - Add speed limit in trim in join-events.
 - Add method split_dst_lf_src_assfile to split bilingual subtitles file's events.
+- Add current working directory support in file renaming.
 
 #### Changed(Unreleased)
 
diff --git a/autosub/sub_utils.py b/autosub/sub_utils.py
index c2bb1a75..d6d65abb 100644
--- a/autosub/sub_utils.py
+++ b/autosub/sub_utils.py
@@ -37,15 +37,19 @@ def str_to_file(
     Give a string and write it to file
     """
     dest = output
+    ext = os.path.splitext(dest)[-1]
 
     if input_m:
-        while os.path.isfile(dest) or not os.path.isdir(os.path.dirname(dest)):
+        if not os.path.isdir(os.path.dirname(dest)):
+            dest = os.getcwd() + os.path.basename(dest)
+        while os.path.isfile(dest):
             print(_("There is already a file with the same path "
                     "or the path isn't valid: \"{dest_name}\".").format(dest_name=dest))
             dest = input_m(
                 _("Input a new path (including directory and file name) for output file.\n"))
             dest = dest.rstrip("\"").lstrip("\"")
-            ext = os.path.splitext(dest)[-1]
+            if not os.path.isdir(os.path.dirname(dest)):
+                dest = os.getcwd() + os.path.basename(dest)
             dest = os.path.splitext(dest)[0]
             dest = "{base}{ext}".format(base=dest,
                                         ext=ext)
diff --git a/docs/CHANGELOG.zh-Hans.md b/docs/CHANGELOG.zh-Hans.md
index 663809f6..cd240219 100644
--- a/docs/CHANGELOG.zh-Hans.md
+++ b/docs/CHANGELOG.zh-Hans.md
@@ -63,6 +63,7 @@
 - 添加字词检查在man_get_vtt_words_index。
 - 添加速度限制在trim在join-events中。
 - 添加split_dst_lf_src_assfile方法来分离同行双语字幕。
+- 添加当前工作路径文件名重命名支持。
 
 #### 改动(未发布)