diff --git a/backend/internal/model/usecase/model.go b/backend/internal/model/usecase/model.go
index 792b51a..076c59d 100644
--- a/backend/internal/model/usecase/model.go
+++ b/backend/internal/model/usecase/model.go
@@ -255,6 +255,20 @@ func (m *ModelUsecase) InitModel(ctx context.Context) error {
 	return m.repo.InitModel(ctx, m.cfg.InitModel.Name, m.cfg.InitModel.Key, m.cfg.InitModel.URL)
 }
 
+func (m *ModelUsecase) getQuery(req *domain.GetProviderModelListReq) request.Query {
+	q := make(request.Query, 0)
+	if req.Provider != consts.ModelProviderBaiZhiCloud && req.Provider != consts.ModelProviderSiliconFlow {
+		return q
+	}
+	q["type"] = "text"
+	q["sub_type"] = string(req.Type)
+	// 硅基流动不支持coder sub_type
+	if req.Provider == consts.ModelProviderSiliconFlow && req.Type == consts.ModelTypeCoder {
+		q["sub_type"] = "chat"
+	}
+	return q
+}
+
 func (m *ModelUsecase) GetProviderModelList(ctx context.Context, req *domain.GetProviderModelListReq) (*domain.GetProviderModelListResp, error) {
 	switch req.Provider {
 	case consts.ModelProviderAzureOpenAI,
@@ -266,6 +280,8 @@ func (m *ModelUsecase) GetProviderModelList(ctx context.Context, req *domain.Get
 		consts.ModelProviderHunyuan,
 		consts.ModelProviderMoonshot,
 		consts.ModelProviderDeepSeek,
+		consts.ModelProviderSiliconFlow,
+		consts.ModelProviderBaiZhiCloud,
 		consts.ModelProviderBaiLian:
 		u, err := url.Parse(req.BaseURL)
 		if err != nil {
@@ -273,11 +289,16 @@ func (m *ModelUsecase) GetProviderModelList(ctx context.Context, req *domain.Get
 		}
 		u.Path = path.Join(u.Path, "/models")
 		client := request.NewClient(u.Scheme, u.Host, m.client.Timeout, request.WithClient(m.client))
-		resp, err := request.Get[domain.OpenAIResp](client, u.Path, request.WithHeader(
-			request.Header{
-				"Authorization": fmt.Sprintf("Bearer %s", req.APIKey),
-			},
-		))
+		query := m.getQuery(req)
+		resp, err := request.Get[domain.OpenAIResp](
+			client, u.Path,
+			request.WithHeader(
+				request.Header{
+					"Authorization": fmt.Sprintf("Bearer %s", req.APIKey),
+				},
+			),
+			request.WithQuery(query),
+		)
 		if err != nil {
 			return nil, err
 		}
@@ -289,6 +310,7 @@ func (m *ModelUsecase) GetProviderModelList(ctx context.Context, req *domain.Get
 				}
 			}),
 		}, nil
+
 	case consts.ModelProviderOllama:
 		// get from ollama http://10.10.16.24:11434/api/tags
 		u, err := url.Parse(req.BaseURL)
@@ -306,56 +328,6 @@ func (m *ModelUsecase) GetProviderModelList(ctx context.Context, req *domain.Get
 
 		return request.Get[domain.GetProviderModelListResp](client, u.Path, request.WithHeader(h))
 
-	case consts.ModelProviderSiliconFlow, consts.ModelProviderBaiZhiCloud:
-		if req.Type == consts.ModelTypeEmbedding || req.Type == consts.ModelTypeReranker {
-			if req.Provider == consts.ModelProviderBaiZhiCloud {
-				if req.Type == consts.ModelTypeEmbedding {
-					return &domain.GetProviderModelListResp{
-						Models: []domain.ProviderModelListItem{
-							{
-								Model: "bge-m3",
-							},
-						},
-					}, nil
-				} else {
-					return &domain.GetProviderModelListResp{
-						Models: []domain.ProviderModelListItem{
-							{
-								Model: "bge-reranker-v2-m3",
-							},
-						},
-					}, nil
-				}
-			}
-		}
-		u, err := url.Parse(req.BaseURL)
-		if err != nil {
-			return nil, err
-		}
-		st := string(req.Type)
-		if req.Type == consts.ModelTypeLLM {
-			st = "chat"
-		}
-		client := request.NewClient(u.Scheme, u.Host, m.client.Timeout, request.WithClient(m.client))
-		resp, err := request.Get[domain.OpenAIResp](client, "/v1/models", request.WithHeader(
-			request.Header{
-				"Authorization": fmt.Sprintf("Bearer %s", req.APIKey),
-			},
-		), request.WithQuery(request.Query{
-			"type":     "text",
-			"sub_type": st,
-		}))
-		if err != nil {
-			return nil, err
-		}
-
-		return &domain.GetProviderModelListResp{
-			Models: cvt.Iter(resp.Data, func(_ int, e *domain.OpenAIData) domain.ProviderModelListItem {
-				return domain.ProviderModelListItem{
-					Model: e.ID,
-				}
-			}),
-		}, nil
 	default:
 		return nil, fmt.Errorf("invalid provider: %s", req.Provider)
 	}