fix: use test instead of string

README.md

@@ -23,12 +23,12 @@ Make bilingual epub books Using AI translate
 e.g.
 ```shell
 # 如果你想快速测一下
-python3 make.py - --book_name animal_farm.epub --openai_key ${openai_key} --no_limit --test
+python3 make.py - --book_name test_books/animal_farm.epub --openai_key ${openai_key} --no_limit --test
 # or do it
-python3 make.py - --book_name animal_farm.epub --openai_key ${openai_key}
+python3 make.py - --book_name test_books/animal_farm.epub --openai_key ${openai_key}
 # or 用 gpt3 模型
 export OPENAI_API_KEY=${your_api_key}
-python3 make.py --book_name animal_farm.epub --model gpt3 --no_limit
+python3 make.py --book_name test_books/animal_farm.epub --model gpt3 --no_limit
 ```
 
 ## 注意

make.py

@@ -139,11 +139,11 @@ class BEPUB:
                 is_test_done = IS_TEST and index > 20
                 for p in p_list:
                     if not is_test_done:
-                        if p.string and not p.string.isdigit():
+                        if p.text and not p.text.isdigit():
                             new_p = copy(p)
                             # TODO banch of p to translate then combine
                             # PR welcome here
-                            new_p.string = self.translate_model.translate(p.string)
+                            new_p.string = self.translate_model.translate(p.text)
                             p.insert_after(new_p)
                             index += 1
                 i.content = soup.prettify().encode()