diff --git a/docutranslate/__init__.py b/docutranslate/__init__.py
index a2e880d..4a6224c 100644
--- a/docutranslate/__init__.py
+++ b/docutranslate/__init__.py
@@ -1 +1 @@
-__version__="1.1.4"
\ No newline at end of file
+__version__="1.1.5"
\ No newline at end of file
diff --git a/docutranslate/agents/segments_agent.py b/docutranslate/agents/segments_agent.py
index bda3195..b16c800 100644
--- a/docutranslate/agents/segments_agent.py
+++ b/docutranslate/agents/segments_agent.py
@@ -1,3 +1,4 @@
+import asyncio
 import json
 from dataclasses import dataclass
 from json import JSONDecodeError
@@ -76,7 +77,7 @@ class SegmentsTranslateAgent(Agent):
 
     # todo:增加协程粒度
     async def send_segments_async(self, segments: list[str], chunk_size: int):
-        indexed_originals, chunks, merged_indices_list = segments2json_chunks(segments, chunk_size)
+        indexed_originals, chunks, merged_indices_list = await asyncio.to_thread(segments2json_chunks,segments, chunk_size)
         prompts = [json.dumps(chunk, ensure_ascii=False) for chunk in chunks]
         translated_chunks = await super().send_prompts_async(prompts=prompts)
         indexed_translated = indexed_originals.copy()
diff --git a/docutranslate/translator/ai_translator/json_translator.py b/docutranslate/translator/ai_translator/json_translator.py
index 61403f3..4c14b93 100644
--- a/docutranslate/translator/ai_translator/json_translator.py
+++ b/docutranslate/translator/ai_translator/json_translator.py
@@ -8,7 +8,6 @@ from docutranslate.agents.segments_agent import SegmentsTranslateAgentConfig, Se
 from docutranslate.ir.document import Document
 from docutranslate.translator.ai_translator.base import AiTranslatorConfig
 from docutranslate.translator.base import Translator
-from docutranslate.utils.json_utils import flat_json_split
 
 
 @dataclass
@@ -46,31 +45,6 @@ class JsonTranslator(Translator):
             all_matches.extend(matches)
         return all_matches
 
-    def _translate_texts_in_batches(self, texts: list[str]) -> list[str]:
-        """
-        将文本列表打包、分块、发送翻译并返回翻译结果。
-        此函数封装了与翻译代理交互的所有细节。
-        """
-        # 1. 使用索引作为唯一ID，将文本列表转换为字典，便于API处理
-        indexed_originals = {str(i): text for i, text in enumerate(texts)}
-
-        # 2. 将大字典分割成小块，以满足API的限制
-        chunks = flat_json_split(indexed_originals, self.chunk_size)
-
-        # 3. 将每个块序列化为JSON字符串并发送翻译
-        prompts = [json.dumps(chunk) for chunk in chunks]
-        translated_chunks = self.translate_agent.send_prompts(prompts)
-
-        # 4. 将翻译结果合并回一个字典
-        # 我们从原始字典的副本开始，以确保即使翻译失败，我们也能保持结构
-        indexed_translated = indexed_originals.copy()
-        for chunk_str in translated_chunks:
-            translated_part = json.loads(chunk_str)
-            indexed_translated.update(translated_part)
-
-        # 5. 按原始顺序返回翻译后的文本列表
-        return list(indexed_translated.values())
-
     def _update_content_with_translations(self, content: dict, matches: list[Any], translated_texts: list[str]):
         """
         使用翻译后的文本更新原始JSON内容。
@@ -103,7 +77,7 @@ class JsonTranslator(Translator):
         original_texts = [match.value for match in all_matches]
 
         # 步骤 2: 批量翻译提取出的文本
-        translated_texts = self.translate_agent.send_segments(original_texts,self.chunk_size)
+        translated_texts = self.translate_agent.send_segments(original_texts, self.chunk_size)
 
         # 健壮性检查：确保翻译回来的项目数量与发送的一致
         if len(original_texts) != len(translated_texts):
@@ -131,7 +105,7 @@ class JsonTranslator(Translator):
         original_texts = [match.value for match in all_matches]
 
         # 步骤 2: 批量翻译提取出的文本
-        translated_texts = await self.translate_agent.send_segments_async(original_texts,self.chunk_size)
+        translated_texts = await self.translate_agent.send_segments_async(original_texts, self.chunk_size)
 
         # 健壮性检查：确保翻译回来的项目数量与发送的一致
         if len(original_texts) != len(translated_texts):
diff --git a/更新日志.txt b/更新日志.txt
index 44e17b1..f57ed40 100644
--- a/更新日志.txt
+++ b/更新日志.txt
@@ -1,6 +1,6 @@
 更新日志
 ----------------------------------------
-v1.1.4版 2025.8.18
+v1.1.5版 2025.8.18
 修复
 - 修复xlsx、docx单个块/段落过长时被截断的问题
 - 交互式界面tooltip不显示的问题