diff --git a/stable.toml b/dev.toml
similarity index 92%
rename from stable.toml
rename to dev.toml
index 14db7a4..e3e7fdd 100644
--- a/stable.toml
+++ b/dev.toml
@@ -5,8 +5,8 @@ requires = ["setuptools>=61.0"]
 build-backend = "setuptools.build_meta"
 
 [project]
-name = "frontengine"
-version = "0.0.3"
+name = "frontengine_dev"
+version = "0.0.4"
 authors = [
     { name = "JE-Chen", email = "jechenmailman@gmail.com" },
 ]
@@ -18,7 +18,7 @@ description = "FrontEngine is a tool allow you set Video or Image or GIF front o
 requires-python = ">=3.8"
 license = { text = "MIT" }
 classifiers = [
-    "Programming Language :: Python :: 3.7",
+    "Programming Language :: Python :: 3.8",
     "Development Status :: 2 - Pre-Alpha",
     "Environment :: Win32 (MS Windows)",
     "Environment :: MacOS X",
diff --git a/frontengine/ui/main/main_ui.py b/frontengine/ui/main/main_ui.py
index c32eebc..c1f9484 100644
--- a/frontengine/ui/main/main_ui.py
+++ b/frontengine/ui/main/main_ui.py
@@ -49,5 +49,3 @@ def start_front_engine():
     window.showMaximized()
     sys.exit(new_editor.exec())
 
-
-start_front_engine()
diff --git a/pyproject.toml b/pyproject.toml
index 23444da..5f4f0bf 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,8 +5,8 @@ requires = ["setuptools>=61.0"]
 build-backend = "setuptools.build_meta"
 
 [project]
-name = "frontengine_dev"
-version = "0.0.3"
+name = "frontengine"
+version = "0.0.4"
 authors = [
     { name = "JE-Chen", email = "jechenmailman@gmail.com" },
 ]
@@ -18,7 +18,7 @@ description = "FrontEngine is a tool allow you set Video or Image or GIF front o
 requires-python = ">=3.8"
 license = { text = "MIT" }
 classifiers = [
-    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.7",
     "Development Status :: 2 - Pre-Alpha",
     "Environment :: Win32 (MS Windows)",
     "Environment :: MacOS X",