diff --git a/shared_utils/advanced_markdown_format.py b/shared_utils/advanced_markdown_format.py
index 1f943248..3de36d32 100644
--- a/shared_utils/advanced_markdown_format.py
+++ b/shared_utils/advanced_markdown_format.py
@@ -212,15 +212,13 @@ def fix_code_segment_indent(txt):
 
 def fix_dollar_sticking_bug(txt):
     """
-    修复不标准的dollar符号的问题
+    修复不标准的dollar公式符号的问题
     """
     txt_result = ""
     single_stack_height = 0
     double_stack_height = 0
     while True:
         while True:
-            # still has $
-            # how many dollar
             index = txt.find('$')
 
             if index == -1:
@@ -229,14 +227,14 @@ def fix_dollar_sticking_bug(txt):
 
             if single_stack_height > 0:
                 if txt[:(index+1)].find('\n') > 0 or txt[:(index+1)].find('<td>') > 0 or txt[:(index+1)].find('</td>') > 0:
-                    print('公式之中出现了异常换行 unexpect new line in equation')
+                    print('公式之中出现了异常 (Unexpect element in equation)')
                     single_stack_height = 0
                     txt_result += ' $'
                     continue
 
             if double_stack_height > 0:
                 if txt[:(index+1)].find('\n\n') > 0:
-                    print('公式之中出现了异常换行 unexpect new line in equation')
+                    print('公式之中出现了异常 (Unexpect element in equation)')
                     double_stack_height = 0
                     txt_result += '$$'
                     continue
@@ -255,15 +253,13 @@ def fix_dollar_sticking_bug(txt):
                 txt = txt[(index+2):]
             else:
                 if double_stack_height != 0:
-                    print(txt[:(index)])
-                    print('Fatal')
+                    # print(txt[:(index)])
+                    print('发现异常嵌套公式')
                 if single_stack_height == 0:
                     single_stack_height = 1
                 else:
                     single_stack_height = 0
-                    print(txt[:(index)])
-                    import time
-                    # time.sleep(0.1)
+                    # print(txt[:(index)])
                 txt_result += txt[:(index+1)]
                 txt = txt[(index+1):]
             break