diff --git a/Src/Asp.NetCore2/SqlSugar/Realization/PostgreSQL/SqlBuilder/PostgreSQLInsertBuilder.cs b/Src/Asp.NetCore2/SqlSugar/Realization/PostgreSQL/SqlBuilder/PostgreSQLInsertBuilder.cs
index 0186d26f2..20624ccf3 100644
--- a/Src/Asp.NetCore2/SqlSugar/Realization/PostgreSQL/SqlBuilder/PostgreSQLInsertBuilder.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Realization/PostgreSQL/SqlBuilder/PostgreSQLInsertBuilder.cs
@@ -173,6 +173,10 @@ namespace SqlSugar
                 {
                     return "'" + value.ToString().ToSqlFilter() + "'";
                 }
+                else if (value is decimal v)
+                {
+                    return v.ToString(CultureInfo.InvariantCulture);
+                }
                 else
                 {
                     return "'" + value.ToString() + "'";