diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index bc72b71..513656d 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -625,7 +625,7 @@
     <option name="version" value="3" />
   </component>
   <component name="com.intellij.coverage.CoverageDataManagerImpl">
-    <SUITE FILE_PATH="coverage/filetranslate$app_test__1_.coverage" NAME="app_test (1) 覆盖结果" MODIFIED="1747394976334" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="false" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/tests" />
+    <SUITE FILE_PATH="coverage/filetranslate$app_test__1_.coverage" NAME="app_test (1) 覆盖结果" MODIFIED="1747395457298" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="false" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/tests" />
     <SUITE FILE_PATH="coverage/filetranslate$test.coverage" NAME="test 覆盖结果" MODIFIED="1747301959211" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="false" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/tests" />
     <SUITE FILE_PATH="coverage/filetranslate$convert.coverage" NAME="convert 覆盖结果" MODIFIED="1746963490689" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="false" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/docutranslate/utils" />
     <SUITE FILE_PATH="coverage/PDFtranslate$PDFtranslater__1_.coverage" NAME="PDFtranslater (1) 覆盖结果" MODIFIED="1746633258205" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="false" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/pdftranslate_packages" />
diff --git a/docutranslate/app.py b/docutranslate/app.py
index 1108a50..229c844 100644
--- a/docutranslate/app.py
+++ b/docutranslate/app.py
@@ -146,7 +146,7 @@ HTML_TEMPLATE = """
                             margin: 0.5rem 0;
                             color: #555;
                         } \
-
+ \
                         #fileNameDisplay {
                             margin-top: 0.5rem;
                             font-style: italic;
@@ -411,7 +411,7 @@ HTML_TEMPLATE = """
                             fileInput.dispatchEvent(event);
                         }
                     }, false); \
-
+ \
                     // --- End Drag and Drop ---
 
 
@@ -1019,4 +1019,4 @@ def run_app():
 
 
 if __name__ == "__main__":
-    run_app()
\ No newline at end of file
+    run_app()