增加参数控制缩略图

controllers/sys_role.go

@@ -728,7 +728,10 @@ func (this *SysRoleController) SystemConfig() {
         system.BusinessConf{
         ConfKey: "KnowledgeBaseName",
     	ConfVal: conf["KnowledgeBaseName"],
-    })
+    },  system.BusinessConf{
+			ConfKey: "BackendGenerate",
+			ConfVal: conf["BackendGenerate"],
+		})
 
 	osc := system.BusinessConf{
 		ConfKey: "ObjectStorageClient",