diff --git a/src/modules/pages/connection/connection_jdbc/connection_jdbc.ts b/src/modules/pages/connection/connection_jdbc/connection_jdbc.ts
index 5a7069d..09990ec 100644
--- a/src/modules/pages/connection/connection_jdbc/connection_jdbc.ts
+++ b/src/modules/pages/connection/connection_jdbc/connection_jdbc.ts
@@ -376,9 +376,8 @@ export class ConnectionJdbc extends BI.Widget {
                             },
                             {
                                 type: FormItem.xtype,
-                                invisible: fetchSize < 0 && fetchSize !== -2,
                                 name: 'Fetchsize',
-                                value: fetchSize === -2 ? '' : fetchSize,
+                                value: fetchSize,
                             },
                         ],
                     },
diff --git a/src/modules/pages/maintain/forms/components/form.jdbc.ts b/src/modules/pages/maintain/forms/components/form.jdbc.ts
index 20e53cc..6a9c097 100644
--- a/src/modules/pages/maintain/forms/components/form.jdbc.ts
+++ b/src/modules/pages/maintain/forms/components/form.jdbc.ts
@@ -1496,7 +1496,6 @@ export class FormJdbc extends BI.Widget {
                                 el: {
                                     type: BI.VerticalLayout.xtype,
                                     cls: 'bi-border-top',
-                                    invisible: fetchSize < 0 && fetchSize !== -2,
                                     items: [
                                         {
                                             el: {
@@ -1508,7 +1507,7 @@ export class FormJdbc extends BI.Widget {
                                                         $value: 'fetch-size',
                                                         width: EDITOR_WIDTH,
                                                         allowBlank: true,
-                                                        value: fetchSize === -2 ? '' : fetchSize,
+                                                        value: fetchSize,
                                                         watermark: 'Fetchsize',
                                                         validationChecker: [
                                                             {
@@ -1713,7 +1712,7 @@ export class FormJdbc extends BI.Widget {
                 principal: this.form.principal.getValue()[0],
                 keyPath: this.form.keyPath.getValue(),
                 krb5Path: this.form.krb5Path.getValue(),
-                fetchSize: BI.isEmptyString(this.form.fetchSize.getValue()) ? -2 : BI.parseInt(this.form.fetchSize.getValue()),
+                fetchSize: BI.isEmptyString(this.form.fetchSize.getValue()) ? -1 : BI.parseInt(this.form.fetchSize.getValue()),
                 // ssh
                 usingSsh: this.form.usingSsh.isSelected(),
                 // redirectPort: 0,