diff --git a/book_maker/loader/helper.py b/book_maker/loader/helper.py
index cae8ac8f..85557edd 100644
--- a/book_maker/loader/helper.py
+++ b/book_maker/loader/helper.py
@@ -12,9 +12,10 @@ def __init__(
         self.context_flag = context_flag
 
     def insert_trans(self, p, text, translation_style="", single_translate=False):
+        if text is None:
+            text = ""
         if (
             p.string is not None
-            and text is not None
             and p.string.replace(" ", "").strip() == text.replace(" ", "").strip()
         ):
             return
diff --git a/setup.py b/setup.py
index 76e090b0..f7af2557 100644
--- a/setup.py
+++ b/setup.py
@@ -19,7 +19,7 @@
 setup(
     name="bbook_maker",
     description="The bilingual_book_maker is an AI translation tool that uses ChatGPT to assist users in creating multi-language versions of epub/txt files and books.",
-    version="0.7.7",
+    version="0.7.8",
     license="MIT",
     author="yihong0618",
     author_email="zouzou0208@gmail.com",