Fix Gitee embedding model URL error (#13553)

### What problem does this PR solve?

As title

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

Signed-off-by: Jin Hai <haijin.chn@gmail.com>

internal/handler/llm.go

@@ -204,6 +204,7 @@ func (h *LLMHandler) Factories(c *gin.Context) {
 	}
 
 	c.JSON(http.StatusOK, gin.H{
+		"code": common.CodeSuccess,
 		"data": filtered,
 	})
 }

internal/server/model_provider.go

@@ -25,13 +25,13 @@ import (
 
 // ModelProvider represents a model provider configuration
 type ModelProvider struct {
-	Name                string `json:"name"`
-	Logo                string `json:"logo"`
-	Tags                string `json:"tags"`
-	Status              string `json:"status"`
-	Rank                string `json:"rank"`
-	LLMs                []LLM  `json:"llm"`
-	DefaultEmbeddingURL string `json:"default_embedding_url,omitempty"`
+	Name       string `json:"name"`
+	Logo       string `json:"logo"`
+	Tags       string `json:"tags"`
+	Status     string `json:"status"`
+	Rank       string `json:"rank"`
+	LLMs       []LLM  `json:"llm"`
+	DefaultURL string `json:"url,omitempty"`
 }
 
 // LLM represents a language model within a provider

internal/service/model_service.go

@@ -86,10 +86,10 @@ func (p *ModelProviderImpl) GetEmbeddingModel(ctx context.Context, tenantID stri
 	// Always get API base from model provider configuration
 	providerDAO := dao.NewModelProviderDAO()
 	providerConfig := providerDAO.GetProviderByName(provider)
-	if providerConfig == nil || providerConfig.DefaultEmbeddingURL == "" {
+	if providerConfig == nil || providerConfig.DefaultURL == "" {
 		return nil, fmt.Errorf("no API base found for provider %s", provider)
 	}
-	apiBase := providerConfig.DefaultEmbeddingURL
+	apiBase := fmt.Sprintf("%sembeddings/", providerConfig.DefaultURL)
 
 	return models.CreateEmbeddingModel(provider, *apiKey, apiBase, modelName, p.httpClient)
 }