diff --git a/tinywiki/parser/bbcode/__init__.py b/tinywiki/parser/bbcode/__init__.py
index 69de4fe..9a06acc 100644
--- a/tinywiki/parser/bbcode/__init__.py
+++ b/tinywiki/parser/bbcode/__init__.py
@@ -1,28 +1,38 @@
 import bbcode
 from . import formatters
+from ... import settings
 PARSER = bbcode.Parser(newline="\n",escape_html=True,replace_links=False)
 
 def _():
-    for i in formatters.SIMPLE_FORMATTERS:
-        if len(i) == 0:
-            continue
-    
-        if len(i) == 1:
-            kwargs = {}
-        else:
-            kwargs = i[1]
-        PARSER.add_simple_formatter(*i[0],**kwargs)
-    
-    for i in formatters.FORMATTERS:
-        if len(i) == 0:
-            continue
-    
-        if len(i) == 1:
-            kwargs = {}
-        else:
-            kwargs = i[1]
-            
-        PARSER.add_formatter(*i[0],**kwargs)
-        
+    def add_simple_formatters(simple_formatters):
+        for i in simple_formatters:
+            if len(i) == 0:
+                continue
+
+            if len(i) == 1:
+                kwargs = {}
+            else:
+                kwargs = i[1]
+        PARSER.add_simple_formatter(*i[0], **kwargs)
+
+    def add_formatters(formatters):
+        for i in formatters.FORMATTERS:
+            if len(i) == 0:
+                continue
+
+            if len(i) == 1:
+                kwargs = {}
+            else:
+                kwargs = i[1]
+
+            PARSER.add_formatter(*i[0], **kwargs)
+
+    add_simple_formatters(formatters.SIMPLE_FORMATTERS)
+    add_formatters(formatters.FORMATTERS)
+    if settings.TINYWIKI_BBCODE_EXTR_SIMPLE_FORMATTERS:
+        add_simple_formatters(settings.TINYWIKI_BBCODE_EXTR_SIMPLE_FORMATTERS)
+    if settings.TINYWIKI_BBCODE_EXTRA_FORMATTERS:
+        add_formatters(settings.TINYWIKI_BBCODE_EXTRA_FORMATTERS)
+
 _()
 del _
\ No newline at end of file
diff --git a/tinywiki/parser/bbcode/text_formatters.py b/tinywiki/parser/bbcode/text_formatters.py
index 8acd09a..f537760 100644
--- a/tinywiki/parser/bbcode/text_formatters.py
+++ b/tinywiki/parser/bbcode/text_formatters.py
@@ -462,12 +462,12 @@ def render_youtube_video(tag_name: str, value, options, parent, context):
                 #classes += ["float-end", "ms-2"]
             elif pos == "center":
                 div_classes += ["mx-auto", "d-block"]
-                #classes += ["mx-auto", "d-block"]
+                # classes += ["mx-auto", "d-block"]
 
-    if styles:
-        style = f"style=\"{' '.join(styles)}\""
-    else:
-        style = ""
+    # if styles:
+    #     style = f"style=\"{' '.join(styles)}\""
+    # else:
+    #     style = ""
 
     if div_styles:
         div_style = f'style="{"".join(div_styles)}"'
diff --git a/tinywiki/settings.py b/tinywiki/settings.py
index cacd039..ebd376d 100644
--- a/tinywiki/settings.py
+++ b/tinywiki/settings.py
@@ -35,5 +35,7 @@ TINYWIKI_BASE_TEMPLATE = getattr(
 )
 
 TINYWIKI_HOME = getattr(settings, "TINYWIKI_HOME", "tw-home")
+TINYWIKI_BBCODE_EXTRA_FORMATTERS = getattr(settings, 'TINYWIKI_BBCODE_EXTRA_FORMATTERS', None)
+TINYWIKI_BBCODE_EXTR_SIMPLE_FORMATTERS = getattr(settings, 'TINYWIKI_BBCODE_EXTR_SIMPLE_FORMATTERS', None)
 
 USE_BOOTSTRAP = getattr(settings, "USE_BOOTSTRAP", False)