fix theme folder rename problem

themes/theme.py

@@ -0,0 +1,12 @@
+import gradio as gr
+from toolbox import get_conf
+THEME, = get_conf('THEME')
+
+if THEME == 'Chuanhu-Small-and-Beautiful':
+    from .green import adjust_theme, advanced_css
+    theme_declaration = "<h2 align=\"center\"  class=\"small\">[Chuanhu-Small-and-Beautiful主题]</h2>"
+else:
+    from .default import adjust_theme, advanced_css
+    theme_declaration = ""
+
+