diff --git a/session.go b/session.go
index 30e6db81..f1a14f97 100644
--- a/session.go
+++ b/session.go
@@ -2249,7 +2249,7 @@ func (session *Session) Insert(beans ...interface{}) (int64, error) {
 			if size > 0 {
 				if session.Engine.SupportInsertMany() {
 					cnt, err := session.innerInsertMulti(bean)
-					session.resetStatement()
+					//session.resetStatement()
 					if err != nil {
 						return affected, err
 					}
@@ -2257,7 +2257,7 @@ func (session *Session) Insert(beans ...interface{}) (int64, error) {
 				} else {
 					for i := 0; i < size; i++ {
 						cnt, err := session.innerInsert(sliceValue.Index(i).Interface())
-						session.resetStatement()
+						//session.resetStatement()
 						if err != nil {
 							return affected, err
 						}
@@ -2267,7 +2267,7 @@ func (session *Session) Insert(beans ...interface{}) (int64, error) {
 			}
 		} else {
 			cnt, err := session.innerInsert(bean)
-			session.resetStatement()
+			//session.resetStatement()
 			if err != nil {
 				return affected, err
 			}
diff --git a/statement.go b/statement.go
index 02c9f598..f0d3fb50 100644
--- a/statement.go
+++ b/statement.go
@@ -258,7 +258,7 @@ func buildUpdates(engine *Engine, table *core.Table, bean interface{},
 		if col.IsDeleted && !unscoped {
 			continue
 		}
-		if use, ok := columnMap[col.Name]; ok && !use {
+		if use, ok := columnMap[strings.ToLower(col.Name)]; ok && !use {
 			continue
 		}