diff --git a/Src/Asp.NetCore2/SqlSugar/Realization/PostgreSQL/SqlBuilder/PostgreSQLInsertBuilder.cs b/Src/Asp.NetCore2/SqlSugar/Realization/PostgreSQL/SqlBuilder/PostgreSQLInsertBuilder.cs
index 0ae84067d..2bfbd8671 100644
--- a/Src/Asp.NetCore2/SqlSugar/Realization/PostgreSQL/SqlBuilder/PostgreSQLInsertBuilder.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Realization/PostgreSQL/SqlBuilder/PostgreSQLInsertBuilder.cs
@@ -242,6 +242,10 @@ namespace SqlSugar
                 {
                     return v.ToString(CultureInfo.InvariantCulture);
                 }
+                else if (value is double dou)
+                {
+                    return dou.ToString(CultureInfo.InvariantCulture);
+                }
                 else
                 {
                     return N + "'" + value.ToString() + "'";