unable add rerank model when using GPUStack

[liuw518]

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Dify version

0.15.1

Cloud or Self Hosted

Self Hosted (Docker)

Steps to reproduce

when add rerank model under GPUStack，occur 400 error. In GPUStack, test rerank service and api is OK

✔️ Expected Behavior

can add rerank models normally

❌ Actual Behavior

http 400 error