diff --git a/et_cache/cacheHandler.go b/et_cache/cacheHandler.go
index b23d458..d4d8f82 100644
--- a/et_cache/cacheHandler.go
+++ b/et_cache/cacheHandler.go
@@ -33,6 +33,12 @@ func (the *CacheHandler) enqueue(p *common_models.ProcessData) *common_models.Pr
 
 	for _, station := range p.Stations {
 		for _, item := range station.Info.Proto.Items {
+			//字符串类型不处理
+			itemV := station.Data.ThemeData[item.FieldName]
+			if _, ok := itemV.(string); ok {
+				continue
+			}
+			
 			cacheItemKey := fmt.Sprintf("%s:%d:%s", redisKey.CacheWindow, station.Info.Id, item.FieldName)
 			cacheWindow, ok := the.cacheServer.ReadCacheMap(station.Info.Id, item.FieldName)
 			if !ok {