diff --git a/volcengine/base/Request.py b/volcengine/base/Request.py
index 3c5d139..83a8c46 100644
--- a/volcengine/base/Request.py
+++ b/volcengine/base/Request.py
@@ -1,5 +1,6 @@
 # coding : utf-8
 from collections import OrderedDict
+import warnings
 
 try:
     from urllib import urlencode
@@ -20,9 +21,22 @@ def __init__(self):
         self.connection_timeout = 0
         self.socket_timeout = 0
 
-    def set_shema(self, schema):
+    def set_schema(self, schema):
         self.schema = schema
 
+    def set_shema(self, schema):
+        """
+        Deprecated: Use set_schema() instead.
+        This method will be removed in a future version.
+        """
+        warnings.warn(
+            "set_shema() is deprecated due to a typo and will be removed in a future version. "
+            "Use set_schema() instead.",
+            DeprecationWarning,
+            stacklevel=2
+        )
+        self.set_schema(schema)
+
     def set_method(self, method):
         self.method = method
 
diff --git a/volcengine/base/Service.py b/volcengine/base/Service.py
index 1cc2347..24c2a32 100644
--- a/volcengine/base/Service.py
+++ b/volcengine/base/Service.py
@@ -113,7 +113,7 @@ def get_sign_url(self, api, params):
 
         mquery = self.merge(api_info.query, params)
         r = Request()
-        r.set_shema(self.service_info.scheme)
+        r.set_schema(self.service_info.scheme)
         r.set_method(api_info.method)
         r.set_path(api_info.path)
         r.set_query(mquery)
@@ -225,7 +225,7 @@ def prepare_request(self, api_info, params, doseq=0):
         socket_timeout = self.service_info.socket_timeout
 
         r = Request()
-        r.set_shema(self.service_info.scheme)
+        r.set_schema(self.service_info.scheme)
         r.set_method(api_info.method)
         r.set_connection_timeout(connection_timeout)
         r.set_socket_timeout(socket_timeout)