diff --git a/.github/workflows/make_test_ebook.yaml b/.github/workflows/make_test_ebook.yaml
index fd41bf6..909d8d8 100644
--- a/.github/workflows/make_test_ebook.yaml
+++ b/.github/workflows/make_test_ebook.yaml
@@ -10,6 +10,7 @@ on:
 env:
   ACTIONS_ALLOW_UNSECURE_COMMANDS: true
   OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
+  BBM_CAIYUN_API_KEY: ${{ secrets.BBM_CAIYUN_API_KEY }}
   BBM_DEEPL_API_KEY: ${{ secrets.BBM_DEEPL_API_KEY }}
 
 jobs:
@@ -33,8 +34,41 @@ jobs:
         run: |
             pip install .
 
-      - name: Run tests
+      - name: make normal ebook test using google translate and cli
         run: |
-            pip install pytest
-            pytest tests
+            bbook_maker --book_name "test_books/Liber_Esther.epub" --test --test_num 10 --model google --translate-tags div,p
+            bbook_maker --book_name "test_books/Liber_Esther.epub" --test --test_num 20 --model google
 
+      - name: make txt book test using google translate
+        run: |
+          python3 make_book.py --book_name "test_books/the_little_prince.txt" --test --test_num 20 --model google
+
+      - name: make txt book test with batch_size
+        run: |
+          python3 make_book.py --book_name "test_books/the_little_prince.txt" --test --batch_size 30 --test_num 20 --model google
+  
+      - name: make caiyun translator test
+        if: env.BBM_CAIYUN_API_KEY != null
+        run: |
+          python3 make_book.py --book_name "test_books/the_little_prince.txt" --test --batch_size 30 --test_num 100 --model caiyun
+
+      - name: make deepl translator test
+        if: env.BBM_CAIYUN_API_KEY != null
+        run: |
+          python3 make_book.py --book_name "test_books/the_little_prince.txt" --test --batch_size 30 --test_num 20 --model deepl
+          python3 make_book.py --book_name test_books/Lex_Fridman_episode_322.srt --test 
+
+      - name: make openai key ebook test
+        if: env.BBM_DEEPL_API_KEY != null
+        run: |
+            python3 make_book.py --book_name "test_books/lemo.epub" --test --test_num 5 --language zh-hans
+            python3 make_book.py --book_name "test_books/animal_farm.epub" --test --test_num 5 --language ja --model gpt3 --prompt prompt_template_sample.txt
+            python3 make_book.py --book_name "test_books/animal_farm.epub" --test --test_num 5 --language ja --prompt prompt_template_sample.json
+            python3 make_book.py --book_name test_books/Lex_Fridman_episode_322.srt --test --test_num 20
+            
+      - name: Rename and Upload ePub
+        if: env.OPENAI_API_KEY != null
+        uses: actions/upload-artifact@v2
+        with:
+          name: epub_output
+          path: "test_books/lemo_bilingual.epub"
diff --git a/book_maker/loader/epub_loader.py b/book_maker/loader/epub_loader.py
index 56f8dae..ce93ed5 100644
--- a/book_maker/loader/epub_loader.py
+++ b/book_maker/loader/epub_loader.py
@@ -128,6 +128,9 @@ class EPUBBookLoader(BaseBookLoader):
         new_p = copy(p)
 
         for p_exclude in self.exclude_translate_tags.split(","):
+            # for issue #280
+            if type(p) == NavigableString:
+                continue
             for pt in new_p.find_all(p_exclude):
                 pt.extract()
 
@@ -159,6 +162,9 @@ class EPUBBookLoader(BaseBookLoader):
             temp_p = copy(p)
 
             for p_exclude in self.exclude_translate_tags.split(","):
+                # for issue #280
+                if type(p) == NavigableString:
+                    continue
                 for pt in temp_p.find_all(p_exclude):
                     pt.extract()
 
@@ -276,8 +282,9 @@ class EPUBBookLoader(BaseBookLoader):
                 break
 
         for t in extract_p_list_ori:
-            target.insert_after(t)
-            target = t
+            if target:
+                target.insert_after(t)
+                target = t
 
         for item in complete_book.get_items():
             if item.file_name != fixname:
diff --git a/book_maker/translator/caiyun_translator.py b/book_maker/translator/caiyun_translator.py
index 09bbad6..34be507 100644
--- a/book_maker/translator/caiyun_translator.py
+++ b/book_maker/translator/caiyun_translator.py
@@ -1,5 +1,6 @@
 import json
 import re
+import time
 
 import requests
 from rich import print
@@ -43,6 +44,20 @@ class Caiyun(Base):
             data=json.dumps(payload),
             headers=self.headers,
         )
-        t_text = json.loads(response.text)["target"]
+        try:
+            t_text = response.json()["target"]
+        except Exception as e:
+            print(str(e), response.text, "will sleep 60s for the time limit")
+            if "limit" in response.json()["message"]:
+                print("will sleep 60s for the time limit")
+            time.sleep(60)
+            response = requests.request(
+                "POST",
+                self.api_url,
+                data=json.dumps(payload),
+                headers=self.headers,
+            )
+            t_text = response.json()["target"]
+
         print("[bold green]" + re.sub("\n{3,}", "\n\n", t_text) + "[/bold green]")
         return t_text