diff --git a/kernel/sql/av.go b/kernel/sql/av.go
index f69a003e8..974644400 100644
--- a/kernel/sql/av.go
+++ b/kernel/sql/av.go
@@ -78,17 +78,17 @@ func RenderView(attrView *av.AttributeView, view *av.View, query string) (ret av
 }
 
 func renderView(attrView *av.AttributeView, view *av.View, query string,
-	depth *int, renderedAttrViews map[string]*av.AttributeView) (ret av.Viewable) {
-	if 7 < *depth {
+	depth *int, cachedAttrViews map[string]*av.AttributeView) (ret av.Viewable) {
+	if 2 < *depth {
 		return
 	}
 
 	*depth++
 	switch view.LayoutType {
 	case av.LayoutTypeTable:
-		ret = RenderAttributeViewTable(attrView, view, query, depth, renderedAttrViews)
+		ret = RenderAttributeViewTable(attrView, view, query, depth, cachedAttrViews)
 	case av.LayoutTypeGallery:
-		ret = RenderAttributeViewGallery(attrView, view, query, depth, renderedAttrViews)
+		ret = RenderAttributeViewGallery(attrView, view, query, depth, cachedAttrViews)
 	}
 	return
 }
@@ -335,7 +335,7 @@ func fillAttributeViewBaseValue(baseValue *av.BaseValue, fieldID, itemID string,
 }
 
 func fillAttributeViewAutoGeneratedValues(attrView *av.AttributeView, collection av.Collection, ials map[string]map[string]string,
-	depth *int, renderedAttrViews map[string]*av.AttributeView) {
+	depth *int, cachedAttrViews map[string]*av.AttributeView) {
 
 	// 先渲染主键、创建时间、更新时间
 	for _, item := range collection.GetItems() {
@@ -421,11 +421,11 @@ func fillAttributeViewAutoGeneratedValues(attrView *av.AttributeView, collection
 					break
 				}
 
-				destAv := renderedAttrViews[relKey.Relation.AvID]
+				destAv := cachedAttrViews[relKey.Relation.AvID]
 				if nil == destAv {
 					destAv, _ = av.ParseAttributeView(relKey.Relation.AvID)
 					if nil != destAv {
-						renderedAttrViews[relKey.Relation.AvID] = destAv
+						cachedAttrViews[relKey.Relation.AvID] = destAv
 					}
 				}
 				if nil == destAv {
@@ -440,7 +440,7 @@ func fillAttributeViewAutoGeneratedValues(attrView *av.AttributeView, collection
 				isSameAv := destAv.ID == attrView.ID
 				var furtherCollection av.Collection
 				if av.KeyTypeTemplate == destKey.Type || (!isSameAv && (av.KeyTypeUpdated == destKey.Type || av.KeyTypeCreated == destKey.Type)) {
-					viewable := renderView(destAv, destAv.Views[0], "", depth, renderedAttrViews)
+					viewable := renderView(destAv, destAv.Views[0], "", depth, cachedAttrViews)
 					if nil != viewable {
 						furtherCollection = viewable.(av.Collection)
 					} else {
@@ -454,11 +454,11 @@ func fillAttributeViewAutoGeneratedValues(attrView *av.AttributeView, collection
 				value.Relation.Contents = nil
 				relKey, _ := attrView.GetKey(value.KeyID)
 				if nil != relKey && nil != relKey.Relation {
-					destAv := renderedAttrViews[relKey.Relation.AvID]
+					destAv := cachedAttrViews[relKey.Relation.AvID]
 					if nil == destAv {
 						destAv, _ = av.ParseAttributeView(relKey.Relation.AvID)
 						if nil != destAv {
-							renderedAttrViews[relKey.Relation.AvID] = destAv
+							cachedAttrViews[relKey.Relation.AvID] = destAv
 						}
 					}
 					if nil != destAv {
@@ -498,6 +498,10 @@ func fillAttributeViewTemplateValues(attrView *av.AttributeView, view *av.View,
 	for _, templateKey := range templateKeys {
 		for _, item := range collection.GetItems() {
 			value := item.GetValue(templateKey.ID)
+			if nil == value || nil == value.Template {
+				continue
+			}
+
 			keyValues := items[item.GetID()]
 			var ial map[string]string
 			blockVal := item.GetBlockValue()
@@ -550,6 +554,23 @@ func fillAttributeViewKeyValues(attrView *av.AttributeView, collection av.Collec
 	}
 }
 
+func mergeKeyValues(kv1, kv2 []*av.KeyValues) (ret []*av.KeyValues) {
+	ret = kv2
+	for _, k1 := range kv1 {
+		found := false
+		for _, k2 := range kv2 {
+			if k1.Key.ID == k2.Key.ID {
+				found = true
+				break
+			}
+		}
+		if !found {
+			ret = append(ret, k1)
+		}
+	}
+	return
+}
+
 func FillAttributeViewNilValue(value *av.Value, typ av.KeyType) {
 	value.Type = typ
 	switch typ {
diff --git a/kernel/sql/av_gallery.go b/kernel/sql/av_gallery.go
index e81fc436f..cda80a60b 100644
--- a/kernel/sql/av_gallery.go
+++ b/kernel/sql/av_gallery.go
@@ -19,7 +19,7 @@ import (
 )
 
 func RenderAttributeViewGallery(attrView *av.AttributeView, view *av.View, query string,
-	depth *int, renderedAttrViews map[string]*av.AttributeView) (ret *av.Gallery) {
+	depth *int, cachedAttrViews map[string]*av.AttributeView) (ret *av.Gallery) {
 	ret = &av.Gallery{
 		BaseInstance:        av.NewViewBaseInstance(view),
 		CoverFrom:           view.Gallery.CoverFrom,
@@ -118,7 +118,7 @@ func RenderAttributeViewGallery(attrView *av.AttributeView, view *av.View, query
 	ials := BatchGetBlockAttrsWitTrees(ialIDs, boundTrees)
 
 	// 渲染自动生成的字段值，比如关联、汇总、创建时间和更新时间
-	fillAttributeViewAutoGeneratedValues(attrView, ret, ials, depth, renderedAttrViews)
+	fillAttributeViewAutoGeneratedValues(attrView, ret, ials, depth, cachedAttrViews)
 
 	// 最后渲染模板字段，这样模板就可以使用汇总、关联、创建时间和更新时间的值了
 	renderTemplateErr := fillAttributeViewTemplateValues(attrView, view, ret, ials)
diff --git a/kernel/sql/av_table.go b/kernel/sql/av_table.go
index 60ae0acd3..994076572 100644
--- a/kernel/sql/av_table.go
+++ b/kernel/sql/av_table.go
@@ -23,7 +23,7 @@ import (
 )
 
 func RenderAttributeViewTable(attrView *av.AttributeView, view *av.View, query string,
-	depth *int, renderedAttrViews map[string]*av.AttributeView) (ret *av.Table) {
+	depth *int, cachedAttrViews map[string]*av.AttributeView) (ret *av.Table) {
 	ret = &av.Table{
 		BaseInstance: av.NewViewBaseInstance(view),
 		Columns:      []*av.TableColumn{},
@@ -111,7 +111,7 @@ func RenderAttributeViewTable(attrView *av.AttributeView, view *av.View, query s
 	ials := BatchGetBlockAttrs(ialIDs)
 
 	// 渲染自动生成的字段值，比如关联、汇总、创建时间和更新时间
-	fillAttributeViewAutoGeneratedValues(attrView, ret, ials, depth, renderedAttrViews)
+	fillAttributeViewAutoGeneratedValues(attrView, ret, ials, depth, cachedAttrViews)
 
 	// 最后渲染模板字段，这样模板就可以使用汇总、关联、创建时间和更新时间的值了
 	renderTemplateErr := fillAttributeViewTemplateValues(attrView, view, ret, ials)