diff --git a/dsRag/ElasticSearch/T2_SplitTxt.py b/dsRag/ElasticSearch/T2_SplitTxt.py
index 824638d4..630e224f 100644
--- a/dsRag/ElasticSearch/T2_SplitTxt.py
+++ b/dsRag/ElasticSearch/T2_SplitTxt.py
@@ -4,7 +4,6 @@ import shutil
 import warnings
 import zipfile
 
-import docx
 from docx import Document
 from docx.oxml.ns import nsmap
 
diff --git a/dsRag/Txt/CHEMISTRY_1_1.txt b/dsRag/Txt/CHEMISTRY_1_1.txt
index fdd4c525..55c628e7 100644
--- a/dsRag/Txt/CHEMISTRY_1_1.txt
+++ b/dsRag/Txt/CHEMISTRY_1_1.txt
@@ -1,2 +1,2 @@
-氢气与氧气燃烧的方程式
+氧化铁和硝酸的反应方程式
 $$ FeO+4HNO_{ 3 }  ⇒Fe(NO_{ 3 }  )_{ 3 }  +2H_{ 2 }  O+NO_{ 2 }  ↑ $$
\ No newline at end of file
diff --git a/dsRag/Util/EsSearchUtil.py b/dsRag/Util/EsSearchUtil.py
index 36dea7c1..a3f66bd4 100644
--- a/dsRag/Util/EsSearchUtil.py
+++ b/dsRag/Util/EsSearchUtil.py
@@ -176,7 +176,7 @@ class EsSearchUtil:
             filtered_vector_hits = []
             vector_int = 0
             for hit in vector_results['hits']['hits']:
-                if hit['_score'] > 0.4:  # 阀值0.4
+                if hit['_score'] > 0.6:  # 阀值0.6
                     logger.info(f"   {vector_int + 1}. 文档ID: {hit['_id']}, 相似度分数: {hit['_score']:.2f}")
                     logger.info(f"      内容: {hit['_source']['user_input']}")
                     filtered_vector_hits.append(hit)
diff --git a/dsRag/Util/__pycache__/EsSearchUtil.cpython-310.pyc b/dsRag/Util/__pycache__/EsSearchUtil.cpython-310.pyc
index 7cdb86aa..7b6e7bc5 100644
Binary files a/dsRag/Util/__pycache__/EsSearchUtil.cpython-310.pyc and b/dsRag/Util/__pycache__/EsSearchUtil.cpython-310.pyc differ
diff --git a/dsRag/static/Txt/化学方程式_CHEMISTRY_1.docx b/dsRag/static/Txt/化学方程式_CHEMISTRY_1.docx
index 04d1a434..4ebc9a7b 100644
Binary files a/dsRag/static/Txt/化学方程式_CHEMISTRY_1.docx and b/dsRag/static/Txt/化学方程式_CHEMISTRY_1.docx differ
diff --git a/dsRag/static/ai.html b/dsRag/static/ai.html
index 6aa219b9..ed84511f 100644
--- a/dsRag/static/ai.html
+++ b/dsRag/static/ai.html
@@ -220,7 +220,7 @@
                         帮我写一下 “如何理解点、线、面、体、角”的教学设计
                     </div>
                     <div class="example-item" onclick="fillExample('文言虚词')">请解释一下“文言虚词”</div>
-                    <div class="example-item" onclick="fillExample('氢气与氧气燃烧的方程式')">氢气与氧气燃烧的方程式</div>
+                    <div class="example-item" onclick="fillExample('氧化铁和硝酸的反应方程式')">氧化铁和硝酸的反应方程式</div>
                 </div>
             </div>