diff --git a/src/leettools/cli/cli.py b/src/leettools/cli/cli.py
index 00dc535..6089368 100644
--- a/src/leettools/cli/cli.py
+++ b/src/leettools/cli/cli.py
@@ -14,6 +14,7 @@
 from leettools.cli.options_common import common_options
 from leettools.cli.parser import parser_cli
 from leettools.cli.query import query_cli
+from leettools.cli.strategy import strat_cli
 from leettools.common import exceptions
 from leettools.common.logging import logger
 from leettools.context_manager import Context
@@ -71,6 +72,7 @@ def _list_all_commands(subcommand: click.Command, layer: int) -> None:
 run.add_command(parser_cli.parser)
 run.add_command(chunker_cli.chunker)
 run.add_command(flow_cli.flow)
+run.add_command(strat_cli.strategy)
 
 
 def _add_extension_cli(context: Context):
diff --git a/src/leettools/cli/kb/kb_add_search.py b/src/leettools/cli/kb/kb_add_search.py
index 0e3ded2..d884fab 100644
--- a/src/leettools/cli/kb/kb_add_search.py
+++ b/src/leettools/cli/kb/kb_add_search.py
@@ -129,8 +129,8 @@ def add_search(
             flow_option.FLOW_OPTION_SEARCH_MAX_RESULTS: max_results,
             flow_option.FLOW_OPTION_OUTPUT_LANGUAGE: output_language,
             flow_option.FLOW_OPTION_SEARCH_LANGUAGE: search_language,
-            flow_option.FLOW_OPTION_SUMMARIZING_MODEL: "gpt-4o-mini",
-            flow_option.FLOW_OPTION_WRITING_MODEL: "gpt-4o-mini",
+            flow_option.FLOW_OPTION_SUMMARIZING_MODEL: None,
+            flow_option.FLOW_OPTION_WRITING_MODEL: None,
         },
         display_logger=None,
     )
diff --git a/src/leettools/cli/strategy/__init__.py b/src/leettools/cli/strategy/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/leettools/cli/strategy/strat_cli.py b/src/leettools/cli/strategy/strat_cli.py
new file mode 100644
index 0000000..4202012
--- /dev/null
+++ b/src/leettools/cli/strategy/strat_cli.py
@@ -0,0 +1,14 @@
+import click
+
+from .strat_list import list
+
+
+@click.group()
+def strategy():
+    """
+    Manage the strategies.
+    """
+    pass
+
+
+strategy.add_command(list)
diff --git a/src/leettools/cli/strategy/strat_list.py b/src/leettools/cli/strategy/strat_list.py
new file mode 100644
index 0000000..90acf4d
--- /dev/null
+++ b/src/leettools/cli/strategy/strat_list.py
@@ -0,0 +1,63 @@
+from typing import Optional
+
+import click
+
+from leettools.cli.options_common import common_options
+from leettools.common import exceptions
+from leettools.core.schemas.user import User
+
+
+@click.command(help="List all strategies.")
+@click.option(
+    "-u",
+    "--user",
+    "username",
+    default=None,
+    required=False,
+    help="The username to list strategies for. If not provided, lists all strategies.",
+)
+@common_options
+def list(
+    username: Optional[str],
+    active_only: bool = True,
+    json_output: bool = False,
+    indent: Optional[int] = None,
+    **kwargs,
+) -> None:
+    """
+    List strategies in the database.
+
+    Args:
+        username: Optional username to filter strategies by user
+        active_only: If True, only show active strategies
+        json_output: If True, output in JSON format
+        indent: Number of spaces for JSON indentation
+        **kwargs: Additional keyword arguments from common options
+    """
+    from leettools.context_manager import ContextManager
+
+    context = ContextManager().get_context()
+    context.is_svc = False
+    context.name = f"{context.EDS_CLI_CONTEXT_PREFIX}_strategy_list"
+
+    user_store = context.get_user_store()
+    strategy_store = context.get_strategy_store()
+
+    if username is None:
+        user = User.get_admin_user()
+    else:
+        user = user_store.get_user_by_name(username)
+        if user is None:
+            raise exceptions.EntityNotFoundException(
+                entity_name=username, entity_type="User"
+            )
+
+    strategies = strategy_store.list_active_strategies_for_user(user)
+    for strategy in strategies:
+        if json_output:
+            click.echo(strategy.model_dump_json(indent=indent))
+        else:
+            click.echo(
+                f"User: {user.username}\tStrategy: {strategy.strategy_name}\t"
+                f"ID: {strategy.strategy_id}\tStatus: {strategy.strategy_status}"
+            )
diff --git a/src/leettools/core/consts/retriever_type.py b/src/leettools/core/consts/retriever_type.py
index 5482ee1..bfd6004 100644
--- a/src/leettools/core/consts/retriever_type.py
+++ b/src/leettools/core/consts/retriever_type.py
@@ -42,7 +42,7 @@ def supported_retriever(region: Optional[str] = "all") -> List[str]:
 
     if region.lower() == "cn":
         return [
-            RetrieverType.BAIDU.value,
+            RetrieverType.GOOGLE.value,
             RetrieverType.BING.value,
             RetrieverType.LOCAL.value,
         ]
diff --git a/src/leettools/core/strategy/predefined/default/chat_strategy.json b/src/leettools/core/strategy/predefined/default/chat_strategy.json
index 6a79c1b..0664271 100644
--- a/src/leettools/core/strategy/predefined/default/chat_strategy.json
+++ b/src/leettools/core/strategy/predefined/default/chat_strategy.json
@@ -1,6 +1,4 @@
 {
     "strategy_name": "default",
-    "strategy_description": "Default strategy using system default settings",
-    "rewrite": "default",
-    "rewrite_options": {"model_name": "gpt-4o-mini"}
+    "strategy_description": "Default strategy using system default settings"
 }
\ No newline at end of file
diff --git a/src/leettools/svc/api/v1/routers/settings_router.py b/src/leettools/svc/api/v1/routers/settings_router.py
index cffecee..50e46a8 100644
--- a/src/leettools/svc/api/v1/routers/settings_router.py
+++ b/src/leettools/svc/api/v1/routers/settings_router.py
@@ -44,6 +44,8 @@ async def get_suggested_model_names() -> Dict[str, str]:
                 "gpt-4": "OpenAI GPT-4",
                 "gpt-4o": "OpenAI GPT-4o",
                 "gpt-4o-mini": "OpenAI GPT-4o Mini",
+                "deepseek-chat": "DeepSeek Chat",
+                "deepseek-reasoner": "DeepSeek Reasoner",
             }
 
         @self.get("/supported_web_retriever", response_model=List[str])