diff --git a/kernel/api/search.go b/kernel/api/search.go
index 5211bcd8a..385dd303e 100644
--- a/kernel/api/search.go
+++ b/kernel/api/search.go
@@ -213,7 +213,7 @@ func fullTextSearchBlock(c *gin.Context) {
 		querySyntax = querySyntaxArg.(bool)
 	}
 	groupByArg := arg["groupBy"]
-	var groupBy int // 0：不分组，1：按文档分组，2：按文档树结构分组
+	var groupBy int // 0：不分组，1：按文档分组
 	if nil != groupByArg {
 		groupBy = int(groupByArg.(float64))
 	}
diff --git a/kernel/model/search.go b/kernel/model/search.go
index ddd7347da..b24dc5ee7 100644
--- a/kernel/model/search.go
+++ b/kernel/model/search.go
@@ -286,9 +286,6 @@ func FullTextSearchBlock(query, box, path string, types map[string]bool, querySy
 			}
 		}
 		ret = roots
-	case 2: // 按文档树结构分组
-		// TODO
-		ret = blocks
 	default:
 		ret = blocks
 	}