diff --git a/docs/Installation.md b/docs/Installation.md
index 6c327120..d31ebb71 100644
--- a/docs/Installation.md
+++ b/docs/Installation.md
@@ -1,6 +1,6 @@
 # Installing MemoryScope
 
-## I. Install with docker [Recommanded]
+## I. Install with docker [Recommended]
 1. Clone the repository and edit settings
     ```bash
     # clone project
@@ -22,7 +22,7 @@
     ```
 
 
-## II. Install with docker compose [Recommanded]
+## II. Install with docker compose [Recommended]
 
 
 1. Clone the repository and edit settings
diff --git a/examples/api/chat_example.py b/examples/api/chat_example.py
index 43b1bf3d..fc4d4e99 100644
--- a/examples/api/chat_example.py
+++ b/examples/api/chat_example.py
@@ -75,7 +75,7 @@ def chat_example5():
 def chat_example6():
     with MemoryScope(arguments=arguments) as ms:
         memory_chat = ms.default_memory_chat
-        memory_chat.run_service_operation("delete_all", "锦鲤")
+        memory_chat.run_service_operation("delete_all", "用户")
         memory_chat.run_service_operation("delete_all", "浩然")
 
         print("浩然=========================")
@@ -88,12 +88,12 @@ def chat_example6():
         print("回答2：\n" + response.message.content)
         print("记忆2：\n" + response.meta_data["memories"])
 
-        print("锦鲤=========================")
-        response = memory_chat.chat_with_memory(query="我的爱好是打羽毛球。", role_name="锦鲤")
+        print("用户=========================")
+        response = memory_chat.chat_with_memory(query="我的爱好是打羽毛球。", role_name="用户")
         print("回答1：\n" + response.message.content)
-        result = memory_chat.run_service_operation("consolidate_memory", role_name="锦鲤")
+        result = memory_chat.run_service_operation("consolidate_memory", role_name="用户")
         print(result)
-        response = memory_chat.chat_with_memory(query="你知道我的运动爱好是什么？", role_name="锦鲤",
+        response = memory_chat.chat_with_memory(query="你知道我的运动爱好是什么？", role_name="用户",
                                                 history_message_strategy=None)
         print("回答2：\n" + response.message.content)
         print("记忆2：\n" + response.meta_data["memories"])
diff --git a/examples/cli/README.md b/examples/cli/README.md
index dd3772cc..3075bf9f 100644
--- a/examples/cli/README.md
+++ b/examples/cli/README.md
@@ -18,13 +18,13 @@ Alternatively, you can specify all the parameters directly on the command line:
 ```bash
 memoryscope --language="cn" \
             --memory_chat_class="cli_memory_chat" \
-            --human_name="锦鲤" \
+            --human_name="用户" \
             --assistant_name="AI" \
             --generation_backend="dashscope_generation" \
             --generation_model="qwen-max" \
             --embedding_backend="dashscope_embedding" \
             --embedding_model="text-embedding-v2" \
-            --use_dummy_ranker=False \
+            --enable_ranker=False \
             --rank_backend="dashscope_rank" \
             --rank_model="gte-rerank"
 ```
@@ -39,6 +39,6 @@ Here are the available options that can be set through either method:
 - `--generation_model`: The model used for generating responses.
 - `--embedding_backend`: The backend used for text embeddings.
 - `--embedding_model`: The model used for creating text embeddings.
-- `--use_dummy_ranker`: A boolean indicating whether to use a dummy ranker (default is `False`).
+- `--enable_ranker`: A boolean indicating whether to use a dummy ranker (default is `False`).
 - `--rank_backend`: The backend used for ranking responses.
 - `--rank_model`: The model used for ranking responses.