diff --git a/CHANGELOG.md b/CHANGELOG.md
index dca562f..7ca767d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 # 1.1.4版本
 
 1. 加载策略类时，过滤TargetPosTemplate模板
+2. 移除策略配置时，同时删除该策略的缓存数据
 
 # 1.1.3版本
 
diff --git a/README.md b/README.md
index 5af45ba..f0d1046 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 </p>
 
 <p align="center">
-    <img src ="https://img.shields.io/badge/version-1.1.3-blueviolet.svg"/>
+    <img src ="https://img.shields.io/badge/version-1.1.4-blueviolet.svg"/>
     <img src ="https://img.shields.io/badge/platform-windows|linux|macos-yellow.svg"/>
     <img src ="https://img.shields.io/badge/python-3.7|3.8|3.9|3.10-blue.svg" />
     <img src ="https://img.shields.io/github/license/vnpy/vnpy.svg?color=orange"/>
diff --git a/setup.cfg b/setup.cfg
index 7541e53..11b0fa2 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = vnpy_ctastrategy
-version = 1.1.3
+version = 1.1.4
 url = https://www.vnpy.com
 license = MIT
 author = Xiaoyou Chen
diff --git a/vnpy_ctastrategy/__init__.py b/vnpy_ctastrategy/__init__.py
index 827f52f..f5ccb94 100644
--- a/vnpy_ctastrategy/__init__.py
+++ b/vnpy_ctastrategy/__init__.py
@@ -22,6 +22,7 @@
 
 
 from pathlib import Path
+from typing import Type
 
 import importlib_metadata
 from vnpy.trader.app import BaseApp
@@ -47,6 +48,6 @@ class CtaStrategyApp(BaseApp):
     app_module: str = __module__
     app_path: Path = Path(__file__).parent
     display_name: str = "CTA策略"
-    engine_class: CtaEngine = CtaEngine
+    engine_class: Type[CtaEngine] = CtaEngine
     widget_name: str = "CtaManager"
     icon_name: str = str(app_path.joinpath("ui", "cta.ico"))