diff --git a/api/core/tools/utils/text_processing_utils.py b/api/core/tools/utils/text_processing_utils.py
index 80c69e94c8..0f9a91a111 100644
--- a/api/core/tools/utils/text_processing_utils.py
+++ b/api/core/tools/utils/text_processing_utils.py
@@ -13,5 +13,5 @@ def remove_leading_symbols(text: str) -> str:
     """
     # Match Unicode ranges for punctuation and symbols
     # FIXME this pattern is confused quick fix for #11868 maybe refactor it later
-    pattern = r"^[\u2000-\u206F\u2E00-\u2E7F\u3000-\u303F\"#$%&'()*+,./:;<=>?@^_`~]+"
+    pattern = r'^[\[\]\u2000-\u2025\u2027-\u206F\u2E00-\u2E7F\u3000-\u300F\u3011-\u303F"#$%&\'()*+,./:;<=>?@^_`~]+'
     return re.sub(pattern, "", text)
diff --git a/api/tests/unit_tests/utils/test_text_processing.py b/api/tests/unit_tests/utils/test_text_processing.py
index 8af47e8967..11e017464a 100644
--- a/api/tests/unit_tests/utils/test_text_processing.py
+++ b/api/tests/unit_tests/utils/test_text_processing.py
@@ -14,6 +14,7 @@ from core.tools.utils.text_processing_utils import remove_leading_symbols
         ("Hello, World!", "Hello, World!"),
         ("", ""),
         ("   ", "   "),
+        ("【测试】", "【测试】"),
     ],
 )
 def test_remove_leading_symbols(input_text, expected_output):