diff --git a/lyrebird/checker/__init__.py b/lyrebird/checker/__init__.py
index adda6a7c..a8542560 100644
--- a/lyrebird/checker/__init__.py
+++ b/lyrebird/checker/__init__.py
@@ -328,7 +328,7 @@ def json(self):
 
 class DecoratorUtils:
     @staticmethod
-    def modifiy_request_body_decorator(func, modifiy_request_body):
+    def modify_request_body_decorator(func, modify_request_body):
         # When the request modifier modifies only headers or urls, 
         # ensure that the Origin request body switch is still in effect after the request modifier is triggered
         @functools.wraps(func)
@@ -337,9 +337,9 @@ def wrapper(*args, **kwargs):
             if isinstance(args, (list, tuple)) and len(args) > 0 and isinstance(args[0], dict):
                 if 'keep_origin_request_body' in args[0]:
                     # When multiple request modifiers are triggered, the original request data is not used as long as one modifies the requestBody
-                    args[0]['keep_origin_request_body'] = args[0]['keep_origin_request_body'] and not modifiy_request_body
+                    args[0]['keep_origin_request_body'] = args[0]['keep_origin_request_body'] and not modify_request_body
                 else:
-                    args[0]['keep_origin_request_body'] = not modifiy_request_body
+                    args[0]['keep_origin_request_body'] = not modify_request_body
             return result
         return wrapper
 
diff --git a/lyrebird/checker/on_request.py b/lyrebird/checker/on_request.py
index 3a71d9d4..5c35adcf 100644
--- a/lyrebird/checker/on_request.py
+++ b/lyrebird/checker/on_request.py
@@ -4,7 +4,7 @@
 
 class OnRequestHandler:
 
-    def __call__(self, rules=None, rank=0, modifiy_request_body=True, *args, **kw):
+    def __call__(self, rules=None, rank=0, modify_request_body=True, *args, **kw):
         def func(origin_func):
             func_type = checker.TYPE_ON_REQUEST
             if not checker.scripts_tmp_storage.get(func_type):
@@ -14,14 +14,14 @@ def func(origin_func):
                 'func': origin_func,
                 'rules': rules,
                 'rank': rank if isinstance(rank, (int, float)) else 0,
-                'modifiy_request_body': modifiy_request_body
+                'modify_request_body': modify_request_body
             })
             return origin_func
         return func
 
     @staticmethod
     def register(func_info):
-        func_info['func'] = checker.DecoratorUtils.modifiy_request_body_decorator(func_info['func'], func_info['modifiy_request_body'])
+        func_info['func'] = checker.DecoratorUtils.modify_request_body_decorator(func_info['func'], func_info['modify_request_body'])
         application.on_request.append(func_info)
 
     @staticmethod
diff --git a/lyrebird/checker/on_request_upstream.py b/lyrebird/checker/on_request_upstream.py
index 2cef2f5f..6e89dfdd 100644
--- a/lyrebird/checker/on_request_upstream.py
+++ b/lyrebird/checker/on_request_upstream.py
@@ -4,7 +4,7 @@
 
 class OnRequestUpstreamHandler:
 
-    def __call__(self, rules=None, rank=0, modifiy_request_body=True, *args, **kw):
+    def __call__(self, rules=None, rank=0, modify_request_body=True, *args, **kw):
         def func(origin_func):
             func_type = checker.TYPE_ON_REQUEST_UPSTREAM
             if not checker.scripts_tmp_storage.get(func_type):
@@ -14,14 +14,14 @@ def func(origin_func):
                 'func': origin_func,
                 'rules': rules,
                 'rank': rank if isinstance(rank, (int, float)) else 0,
-                'modifiy_request_body': modifiy_request_body
+                'modify_request_body': modify_request_body
             })
             return origin_func
         return func
 
     @staticmethod
     def register(func_info):
-        func_info['func'] = checker.DecoratorUtils.modifiy_request_body_decorator(func_info['func'], func_info['modifiy_request_body'])
+        func_info['func'] = checker.DecoratorUtils.modify_request_body_decorator(func_info['func'], func_info['modify_request_body'])
         application.on_request_upstream.append(func_info)
 
     @staticmethod
diff --git a/lyrebird/plugins/plugin_manager.py b/lyrebird/plugins/plugin_manager.py
index 52962ca3..27d0c671 100644
--- a/lyrebird/plugins/plugin_manager.py
+++ b/lyrebird/plugins/plugin_manager.py
@@ -95,7 +95,7 @@ def print_plugin_api(response):
                     'func': handler[1],
                     'rules': handler[2] if len(handler) > 2 else None,
                     'rank': handler[3] if len(handler) > 3 and isinstance(handler[3], (int, float)) else 0,
-                    'modifiy_request_body': handler[4] if len(handler) > 4 else True
+                    'modify_request_body': handler[4] if len(handler) > 4 else True
                 })
 
             # Subscribe handler on response
@@ -114,7 +114,7 @@ def print_plugin_api(response):
                     'func': handler[1],
                     'rules': handler[2] if len(handler) > 2 else None,
                     'rank': handler[3] if len(handler) > 3 and isinstance(handler[3], (int, float)) else 0,
-                    'modifiy_request_body': handler[4] if len(handler) > 4 else True
+                    'modify_request_body': handler[4] if len(handler) > 4 else True
                 })
 
             # Subscribe handler on proxy response