diff --git a/api/core/app/apps/advanced_chat/app_generator.py b/api/core/app/apps/advanced_chat/app_generator.py
index a18b40712b7ce6..b006de23699c1b 100644
--- a/api/core/app/apps/advanced_chat/app_generator.py
+++ b/api/core/app/apps/advanced_chat/app_generator.py
@@ -383,7 +383,7 @@ def _handle_advanced_chat_response(
         try:
             return generate_task_pipeline.process()
         except ValueError as e:
-            if e.args[0] == "I/O operation on closed file.":  # ignore this error
+            if len(e.args) > 0 and e.args[0] == "I/O operation on closed file.":  # ignore this error
                 raise GenerateTaskStoppedError()
             else:
                 logger.exception(f"Failed to process generate task pipeline, conversation_id: {conversation.id}")
diff --git a/api/core/app/apps/message_based_app_generator.py b/api/core/app/apps/message_based_app_generator.py
index dcd9463b8abd0f..4e3aa840ceac8a 100644
--- a/api/core/app/apps/message_based_app_generator.py
+++ b/api/core/app/apps/message_based_app_generator.py
@@ -76,7 +76,7 @@ def _handle_response(
         try:
             return generate_task_pipeline.process()
         except ValueError as e:
-            if e.args[0] == "I/O operation on closed file.":  # ignore this error
+            if len(e.args) > 0 and e.args[0] == "I/O operation on closed file.":  # ignore this error
                 raise GenerateTaskStoppedError()
             else:
                 logger.exception(f"Failed to handle response, conversation_id: {conversation.id}")
diff --git a/api/core/app/apps/workflow/app_generator.py b/api/core/app/apps/workflow/app_generator.py
index 1d5f21b9e0cc07..42bc17277fd7c5 100644
--- a/api/core/app/apps/workflow/app_generator.py
+++ b/api/core/app/apps/workflow/app_generator.py
@@ -309,7 +309,7 @@ def _handle_response(
         try:
             return generate_task_pipeline.process()
         except ValueError as e:
-            if e.args[0] == "I/O operation on closed file.":  # ignore this error
+            if len(e.args) > 0 and e.args[0] == "I/O operation on closed file.":  # ignore this error
                 raise GenerateTaskStoppedError()
             else:
                 logger.exception(
diff --git a/api/core/tools/tool_engine.py b/api/core/tools/tool_engine.py
index 425a892527daa4..f7a8ed63f401d5 100644
--- a/api/core/tools/tool_engine.py
+++ b/api/core/tools/tool_engine.py
@@ -113,7 +113,7 @@ def agent_invoke(
             error_response = f"tool invoke error: {e}"
             agent_tool_callback.on_tool_error(e)
         except ToolEngineInvokeError as e:
-            meta = e.args[0]
+            meta = e.meta
             error_response = f"tool invoke error: {meta.error}"
             agent_tool_callback.on_tool_error(e)
             return error_response, [], meta