diff --git a/collection/opendb-news-comments/collection.json b/collection/opendb-news-comments/collection.json
index 81a0e89..3a31e86 100644
--- a/collection/opendb-news-comments/collection.json
+++ b/collection/opendb-news-comments/collection.json
@@ -31,6 +31,11 @@
         "title": "评论内容",
 		"trim":"right"
       },
+      "comment_imgs": {
+        "bsonType": "array",
+        "description": "评论图片",
+        "title": "评论图片"
+      },
       "like_count": {
         "bsonType": "int",
         "description": "评论喜欢数、点赞数"