diff --git a/mappings/search_products.json b/mappings/search_products.json
index 0dc4c91..9d0a5a8 100644
--- a/mappings/search_products.json
+++ b/mappings/search_products.json
@@ -144,6 +144,20 @@
           }
         }
       },
+      "image_embedding_512": {
+        "type": "nested",
+        "properties": {
+          "vector": {
+            "type": "dense_vector",
+            "dims": 512,
+            "index": true,
+            "similarity": "dot_product"
+          },
+          "url": {
+            "type": "text"
+          }
+        }
+      },
       "category_path_zh": {
         "type": "text",
         "analyzer": "hanlp_index",
--
libgit2 0.21.2