diff --git a/Applications/DocXChain/modules/formula_recognition.py b/Applications/DocXChain/modules/formula_recognition.py
index 0ed63e0..90bbc2b 100644
--- a/Applications/DocXChain/modules/formula_recognition.py
+++ b/Applications/DocXChain/modules/formula_recognition.py
@@ -6,7 +6,7 @@
 import sys
 import numpy as np
 
-from rapid_latex_ocr import LatexOCR
+from rapid_latex_ocr import LaTeXOCR
 
 class FormulaRecognition(object):
     """
@@ -31,7 +31,7 @@ def __init__(self, configs):
             encoder_path = configs['encoder_path']
             decoder_path = configs['decoder_path']
             tokenizer_json = configs['tokenizer_json']
-            self.formula_recognizer = LatexOCR(image_resizer_path = image_resizer_path, encoder_path = encoder_path, decoder_path = decoder_path, tokenizer_json = tokenizer_json)
+            self.formula_recognizer = LaTeXOCR(image_resizer_path = image_resizer_path, encoder_path = encoder_path, decoder_path = decoder_path, tokenizer_json = tokenizer_json)
 
     def __call__(self, image):
         """
@@ -64,4 +64,4 @@ def release(self):
         if self.formula_recognizer is not None:
             del self.formula_recognizer
 
-        return 
\ No newline at end of file
+        return