diff --git a/__pycache__/app.cpython-312.pyc b/__pycache__/app.cpython-312.pyc
index a409ade..f92d23f 100644
Binary files a/__pycache__/app.cpython-312.pyc and b/__pycache__/app.cpython-312.pyc differ
diff --git a/app.py b/app.py
index ce65fdc..3d2d2f0 100644
--- a/app.py
+++ b/app.py
@@ -18,6 +18,7 @@ def create_app():
     # --- Configuration ---
     app.config.from_mapping(
         SQLALCHEMY_DATABASE_URI=os.environ.get('DATABASE_URL'),
+        SQLALCHEMY_ENGINE_OPTIONS={'pool_recycle': 3600},
         JWT_SECRET_KEY=os.environ.get('JWT_SECRET_KEY'),
         SQLALCHEMY_TRACK_MODIFICATIONS=False,
         JWT_ACCESS_TOKEN_EXPIRES=timedelta(days=3),
diff --git a/frontend/src/pages/ProcessingPage.jsx b/frontend/src/pages/ProcessingPage.jsx
index 1dfbde6..c34b19a 100644
--- a/frontend/src/pages/ProcessingPage.jsx
+++ b/frontend/src/pages/ProcessingPage.jsx
@@ -93,7 +93,14 @@ const ProcessingPage = () => {
                 const intervalId = setInterval(async () => {
                     try {
                         const updatedTask = await pollTaskStatus(task.status_url);
-                        // Pass the full task object to avoid stale closures
+                        
+                        // FIX: Check for inner 'Error' status even if Celery task state is 'SUCCESS'
+                        if (updatedTask.state === 'SUCCESS' && updatedTask.info?.status === 'Error') {
+                            handleTaskUpdate(key, { ...task, state: 'FAILURE', info: { ...task.info, error: updatedTask.info.error || 'Task failed with an unknown error.' } });
+                            clearInterval(intervalId);
+                            return;
+                        }
+
                         handleTaskUpdate(key, { ...task, ...updatedTask });
                         if (['SUCCESS', 'FAILURE', 'REVOKED'].includes(updatedTask.state)) {
                             clearInterval(intervalId);
diff --git a/tasks.py b/tasks.py
index 5b7e311..c204708 100644
--- a/tasks.py
+++ b/tasks.py
@@ -88,7 +88,7 @@ def run_dify_stt_chat_app(file_id: str) -> str:
         f"{DIFY_API_BASE_URL}/chat-messages",
         headers={"Authorization": f"Bearer {API_KEY}", "Content-Type": "application/json"},
         json=payload,
-        timeout=600
+        timeout=1800
     )
     
     print("Dify STT API Response:", r.status_code, r.text) # DEBUG PRINT