diff --git a/src/main/knowledge/embeddings/EmbeddingsFactory.ts b/src/main/knowledge/embeddings/EmbeddingsFactory.ts
index b0ecf360f..6b54f6d90 100644
--- a/src/main/knowledge/embeddings/EmbeddingsFactory.ts
+++ b/src/main/knowledge/embeddings/EmbeddingsFactory.ts
@@ -2,7 +2,6 @@ import type { BaseEmbeddings } from '@cherrystudio/embedjs-interfaces'
 import { OllamaEmbeddings } from '@cherrystudio/embedjs-ollama'
 import { OpenAiEmbeddings } from '@cherrystudio/embedjs-openai'
 import { AzureOpenAiEmbeddings } from '@cherrystudio/embedjs-openai/src/azure-openai-embeddings'
-import { getInstanceName } from '@main/utils'
 import { ApiClient } from '@types'
 
 import { VOYAGE_SUPPORTED_DIM_MODELS } from './utils'
@@ -45,7 +44,7 @@ export default class EmbeddingsFactory {
         azureOpenAIApiKey: apiKey,
         azureOpenAIApiVersion: apiVersion,
         azureOpenAIApiDeploymentName: model,
-        azureOpenAIApiInstanceName: getInstanceName(baseURL),
+        azureOpenAIEndpoint: baseURL,
         dimensions,
         batchSize
       })
diff --git a/src/renderer/src/aiCore/index.ts b/src/renderer/src/aiCore/index.ts
index 7e79cb0fc..9e7a9b731 100644
--- a/src/renderer/src/aiCore/index.ts
+++ b/src/renderer/src/aiCore/index.ts
@@ -2,6 +2,7 @@ import { loggerService } from '@logger'
 import { ApiClientFactory } from '@renderer/aiCore/clients/ApiClientFactory'
 import { BaseApiClient } from '@renderer/aiCore/clients/BaseApiClient'
 import { isDedicatedImageGenerationModel, isFunctionCallingModel } from '@renderer/config/models'
+import { getProviderByModel } from '@renderer/services/AssistantService'
 import type { GenerateImageParams, Model, Provider } from '@renderer/types'
 import { RequestOptions, SdkModel } from '@renderer/types/sdk'
 import { isEnabledToolUse } from '@renderer/utils/mcp-tools'
@@ -135,6 +136,9 @@ export default class AiProvider {
   public async getEmbeddingDimensions(model: Model): Promise<number> {
     try {
       // Use the SDK instance to test embedding capabilities
+      if (this.apiClient instanceof OpenAIResponseAPIClient && getProviderByModel(model).type === 'azure-openai') {
+        this.apiClient = this.apiClient.getClient(model) as BaseApiClient
+      }
       const dimensions = await this.apiClient.getEmbeddingDimensions(model)
       return dimensions
     } catch (error) {