diff --git a/src/main/reranker/BaseReranker.ts b/src/main/reranker/BaseReranker.ts
index 5438290898..58a6426914 100644
--- a/src/main/reranker/BaseReranker.ts
+++ b/src/main/reranker/BaseReranker.ts
@@ -17,4 +17,15 @@ export default abstract class BaseReranker {
       'Content-Type': 'application/json'
     }
   }
+
+  public formatErrorMessage(url: string, error: any, requestBody: any) {
+    const errorDetails = {
+      url: url,
+      message: error.message,
+      status: error.response?.status,
+      statusText: error.response?.statusText,
+      requestBody: requestBody
+    }
+    return JSON.stringify(errorDetails, null, 2)
+  }
 }
diff --git a/src/main/reranker/JinaReranker.ts b/src/main/reranker/JinaReranker.ts
index ed14f4746d..718774ee22 100644
--- a/src/main/reranker/JinaReranker.ts
+++ b/src/main/reranker/JinaReranker.ts
@@ -47,8 +47,10 @@ export default class JinaReranker extends BaseReranker {
         .filter((doc): doc is ExtractChunkData => doc !== undefined)
         .sort((a, b) => b.score - a.score)
     } catch (error: any) {
-      console.error('Jina Reranker API 错误:', error.status)
-      throw new Error(`${error} - BaseUrl: ${baseURL}`)
+      const errorDetails = this.formatErrorMessage(url, error, requestBody)
+
+      console.error('Jina Reranker API Error:', errorDetails)
+      throw new Error(`重排序请求失败: ${error.message}\n请求详情: ${errorDetails}`)
     }
   }
 }
diff --git a/src/main/reranker/SiliconFlowReranker.ts b/src/main/reranker/SiliconFlowReranker.ts
index bba8d5405e..d37f547b24 100644
--- a/src/main/reranker/SiliconFlowReranker.ts
+++ b/src/main/reranker/SiliconFlowReranker.ts
@@ -49,8 +49,10 @@ export default class SiliconFlowReranker extends BaseReranker {
         .filter((doc): doc is ExtractChunkData => doc !== undefined)
         .sort((a, b) => b.score - a.score)
     } catch (error: any) {
-      console.error('SiliconFlow Reranker API 错误:', error.status)
-      throw new Error(`${error} - BaseUrl: ${baseURL}`)
+      const errorDetails = this.formatErrorMessage(url, error, requestBody)
+
+      console.error('SiliconFlow Reranker API 错误:', errorDetails)
+      throw new Error(`重排序请求失败: ${error.message}\n请求详情: ${errorDetails}`)
     }
   }
 }
diff --git a/src/main/reranker/VoyageReranker.ts b/src/main/reranker/VoyageReranker.ts
index c48fbb9bc8..0cfc024eee 100644
--- a/src/main/reranker/VoyageReranker.ts
+++ b/src/main/reranker/VoyageReranker.ts
@@ -53,8 +53,10 @@ export default class VoyageReranker extends BaseReranker {
         .filter((doc): doc is ExtractChunkData => doc !== undefined)
         .sort((a, b) => b.score - a.score)
     } catch (error: any) {
-      console.error('Voyage Reranker API 错误:', error.message || error)
-      throw new Error(`${error} - BaseUrl: ${baseURL}`)
+      const errorDetails = this.formatErrorMessage(url, error, requestBody)
+
+      console.error('Voyage Reranker API Error:', errorDetails)
+      throw new Error(`重排序请求失败: ${error.message}\n请求详情: ${errorDetails}`)
     }
   }
 }
diff --git a/src/main/services/KnowledgeService.ts b/src/main/services/KnowledgeService.ts
index b224458a11..0e8cb9de3e 100644
--- a/src/main/services/KnowledgeService.ts
+++ b/src/main/services/KnowledgeService.ts
@@ -475,6 +475,9 @@ class KnowledgeService {
     _: Electron.IpcMainInvokeEvent,
     { search, base, results }: { search: string; base: KnowledgeBaseParams; results: ExtractChunkData[] }
   ): Promise<ExtractChunkData[]> => {
+    if (results.length === 0) {
+      return results
+    }
     return await new Reranker(base).rerank(search, results)
   }
 }