diff --git a/server/utils/search-converters.test.ts b/server/utils/search-converters.test.ts
index 95ad2e2..a90c33d 100644
--- a/server/utils/search-converters.test.ts
+++ b/server/utils/search-converters.test.ts
@@ -12,6 +12,7 @@ describe('converters', () => {
       summary: 'High efficiency',
       description: 'Detailed description',
       type: 'pump',
+      cover: 'rand-om__-uuid-1234',
     };
     const result = converters.products(item);
     expect(result).toEqual({
@@ -19,6 +20,7 @@ describe('converters', () => {
       type: 'product',
       title: 'Hydraulic Pump',
       summary: 'High efficiency',
+      thumbnail: '/api/assets/rand-om__-uuid-1234',
     });
   });
 
@@ -29,6 +31,7 @@ describe('converters', () => {
       summary: 'Effective solution',
       content: 'Detailed content',
       type: 'Type A',
+      cover: 'rand-om__-uuid-5678',
     };
     const result = converters.solutions(item);
     expect(result).toEqual({
@@ -36,6 +39,7 @@ describe('converters', () => {
       type: 'solution',
       title: 'Solution A',
       summary: 'Effective solution',
+      thumbnail: '/api/assets/rand-om__-uuid-5678',
     });
   });
 
diff --git a/server/utils/search-converters.ts b/server/utils/search-converters.ts
index b5a66dc..c334131 100644
--- a/server/utils/search-converters.ts
+++ b/server/utils/search-converters.ts
@@ -8,16 +8,16 @@ export const converters: {
     id: item.id,
     type: 'product',
     title: item.name,
-    summary: item.summary,
-    thumbnail: `/api/assets/${item.cover}`,
+    summary: item?.summary ?? '',
+    thumbnail: item?.cover ? `/api/assets/${item.cover}` : undefined,
   }),
 
   solutions: (item: MeiliIndexMap['solutions']): SearchItemView => ({
     id: item.id,
     type: 'solution',
     title: item.title,
-    summary: item.summary,
-    thumbnail: `/api/assets/${item.cover}`,
+    summary: item?.summary ?? '',
+    thumbnail: item?.cover ? `/api/assets/${item.cover}` : undefined,
   }),
 
   questions: (item: MeiliIndexMap['questions']): SearchItemView => ({
diff --git a/shared/types/meilisearch/meili-index.ts b/shared/types/meilisearch/meili-index.ts
index d7a5810..9555b64 100644
--- a/shared/types/meilisearch/meili-index.ts
+++ b/shared/types/meilisearch/meili-index.ts
@@ -9,16 +9,16 @@ export interface MeiliProductIndex {
   name: string;
 
   /** 产品简介 **/
-  summary: string;
+  summary?: string;
 
   /** 产品详情 **/
-  description: string;
+  description?: string;
 
   /** 产品类型 **/
-  type: string;
+  type?: string;
 
   /** 产品缩略图 **/
-  cover: string;
+  cover?: string;
 }
 
 /**
@@ -32,16 +32,16 @@ export interface MeiliSolutionIndex {
   title: string;
 
   /** 解决方案摘要 **/
-  summary: string;
+  summary?: string;
 
   /** 解决方案内容 **/
-  content: string;
+  content?: string;
 
   /** 解决方案类型 **/
-  type: string;
+  type?: string;
 
   /** 解决方案缩略图 **/
-  cover: string;
+  cover?: string;
 }
 
 /**
@@ -55,7 +55,7 @@ export interface MeiliQuestionIndex {
   title: string;
 
   /** 问题内容 **/
-  content: string;
+  content?: string;
 
   /** 相关产品 **/
   products: string[];