fix initialization issue

app.py

@@ -247,7 +247,7 @@ def initialize_session_state():
 
 def initialize_application():
     """Initialize the application with dependency injection container"""
-    if not st.session_state.container_initialized:
+    if not st.session_state.get('container_initialized', False):
         try:
             logger.info("Initializing application container")
             initialize_global_container()
@@ -262,13 +262,15 @@ def main():
     """Main application workflow"""
     logger.info("Starting application")
 
-    # Initialize application
-    initialize_application()
-
     # Configure page
     configure_page()
+    
+    # Initialize session state first
     initialize_session_state()
 
+    # Initialize application
+    initialize_application()
+
     st.title("🎧 High-Quality Audio Translation System")
     st.markdown("Upload English Audio → Get Chinese Speech Output")