diff --git a/contrib/drivers/mssql/mssql_do_insert.go b/contrib/drivers/mssql/mssql_do_insert.go
index 558c4500c..bd1920f1b 100644
--- a/contrib/drivers/mssql/mssql_do_insert.go
+++ b/contrib/drivers/mssql/mssql_do_insert.go
@@ -76,8 +76,13 @@ func (d *Driver) doMergeInsert(
 		}
 		foundPrimaryKey := false
 		for _, primaryKey := range primaryKeys {
-			if _, ok := list[0][primaryKey]; ok {
-				foundPrimaryKey = true
+			for dataKey := range list[0] {
+				if strings.EqualFold(dataKey, primaryKey) {
+					foundPrimaryKey = true
+					break
+				}
+			}
+			if foundPrimaryKey {
 				break
 			}
 		}
diff --git a/contrib/drivers/pgsql/pgsql_do_insert.go b/contrib/drivers/pgsql/pgsql_do_insert.go
index 691063fa4..4c2803a41 100644
--- a/contrib/drivers/pgsql/pgsql_do_insert.go
+++ b/contrib/drivers/pgsql/pgsql_do_insert.go
@@ -9,6 +9,7 @@ package pgsql
 import (
 	"context"
 	"database/sql"
+	"strings"
 
 	"github.com/gogf/gf/v2/database/gdb"
 	"github.com/gogf/gf/v2/errors/gcode"
@@ -37,9 +38,14 @@ func (d *Driver) DoInsert(
 				)
 			}
 			foundPrimaryKey := false
-			for _, conflictKey := range primaryKeys {
-				if _, ok := list[0][conflictKey]; ok {
-					foundPrimaryKey = true
+			for _, primaryKey := range primaryKeys {
+				for dataKey := range list[0] {
+					if strings.EqualFold(dataKey, primaryKey) {
+						foundPrimaryKey = true
+						break
+					}
+				}
+				if foundPrimaryKey {
 					break
 				}
 			}