Chat with DeepSeek-R1 API through Azure AI Studio get unexpected end alert

[EdwinDigital]

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Dify version

0.15.3

Cloud or Self Hosted

Cloud

Steps to reproduce

When chat with DeepSeek-R1 through Azure AI Studio model, will get following alert and stop response streaming. Alert message: [azure_ai_studio] Error: 'utf-8' codec can't decode byte 0xe4 in position 5: unexpected end of data"

Possible solution: Fix bug in api/core/model_runtime/model_providers/azure_ai_studio/llm/llm.py , adding decode handling method.

✔️ Expected Behavior

Process respond until end successful.

❌ Actual Behavior

data: {"event": "agent_message", "conversation_id": "32ff1015-7cbf-4557-92be-33a147a461f1", "message_id": "c7734cb8-5ead-41c5-92d0-9474b8308a24", "created_at": 1739456925, "task_id": "13027371-7921-48fc-a8c2-749db4330487", "id": "c7734cb8-5ead-41c5-92d0-9474b8308a24", "answer": "\u4ef7"}

data: {"event": "error", "conversation_id": "32ff1015-7cbf-4557-92be-33a147a461f1", "message_id": "c7734cb8-5ead-41c5-92d0-9474b8308a24", "created_at": 1739456925, "code": "completion_request_error", "status": 400, "message": "[azure_ai_studio] Error: 'utf-8' codec can't decode byte 0xe4 in position 5: unexpected end of data"}