diff --git a/src/modules/crud/decision.api.ts b/src/modules/crud/decision.api.ts
index 1bf5e55..49f0f64 100644
--- a/src/modules/crud/decision.api.ts
+++ b/src/modules/crud/decision.api.ts
@@ -19,7 +19,7 @@ export class DecisionApi implements Api {
     addConnection(data: Connection) {
         const form = {
             ...data,
-            connectionId: data.connectionName,
+            connectionId: data.connectionId || data.connectionName,
             connectionData : JSON.stringify(data.connectionData),
         };
         
diff --git a/src/modules/pages/maintain/forms/components/form.jdbc.ts b/src/modules/pages/maintain/forms/components/form.jdbc.ts
index 8bc83cd..bd5590a 100644
--- a/src/modules/pages/maintain/forms/components/form.jdbc.ts
+++ b/src/modules/pages/maintain/forms/components/form.jdbc.ts
@@ -76,6 +76,7 @@ export class FormJdbc extends BI.Widget {
                         type: TextEditor,
                         width: 300,
                         value: connectionName,
+                        allowBlank: true,
                         ref: (_ref: any) => {
                             this.form.connectionName = _ref;
                         },
diff --git a/src/modules/pages/maintain/forms/form.ts b/src/modules/pages/maintain/forms/form.ts
index 3e9feaf..54f38c7 100644
--- a/src/modules/pages/maintain/forms/form.ts
+++ b/src/modules/pages/maintain/forms/form.ts
@@ -33,7 +33,9 @@ export class MaintainForm extends BI.Widget {
             if (this.connectionName && !this.model.isCopy) {
                 this.store.updateConnection(this.connectionName, this.form.getSubmitValue());
             } else {
-                this.store.addConnection(this.form.getSubmitValue());
+                const form = this.form.getSubmitValue();
+                form.connectionId = this.connectionName;
+                this.store.addConnection(form);
             }
             this.store.setIsCopy(false);
         },
@@ -44,7 +46,7 @@ export class MaintainForm extends BI.Widget {
             const id = BI.UUID();
             const testConnection = () => {
                 const formValue = this.form.getSubmitValue();
-                if (this.isEdit) {
+                if (this.isEdit || this.model.isCopy) {
                     formValue.connectionId = this.connectionName;
                 }
                 this.store.testConnection(formValue).then(re => {
@@ -118,7 +120,6 @@ export class MaintainForm extends BI.Widget {
         if (this.model.isCopy) {
             formData.connectionName = `${formData.connectionName}-${BI.i18nText('Dec-Dcm_Copy')}`;
             this.isEdit = false;
-            this.connectionName = '';
         }
         
         return {