fix: save a null object if description is null && adjust textArea component size

@@ -247,7 +247,7 @@
           getSonFormValue.value,
           getNameObj,
           id,
-          additionalInfoV
+          additionalInfoV.additionalInfo.description ? additionalInfoV : {}
         );
         if (!unref(isUpdate)) {
           delete allPostForm.id;

@@ -219,14 +219,14 @@ export const modeKafkaForm: FormSchema[] = [
       return !!values.addMetadataKeyValuesAsKafkaHeaders;
     },
   },
-
   {
     field: 'description',
     label: '说明',
-    colProps: { span: 12 },
+    colProps: { span: 24 },
     component: 'InputTextArea',
     componentProps: {
       maxLength: 255,
+      rows: 4,
       placeholder: '请输入说明',
     },
   },
@@ -440,10 +440,11 @@ export const modeMqttForm: FormSchema[] = [
   {
     field: 'description',
     label: '说明',
-    colProps: { span: 12 },
+    colProps: { span: 24 },
     component: 'InputTextArea',
     componentProps: {
       maxLength: 255,
+      rows: 4,
       placeholder: '请输入说明',
     },
   },
@@ -610,10 +611,11 @@ export const modeRabbitMqForm: FormSchema[] = [
   {
     field: 'description',
     label: '说明',
-    colProps: { span: 12 },
+    colProps: { span: 24 },
     component: 'InputTextArea',
     componentProps: {
       maxLength: 255,
+      rows: 4,
       placeholder: '请输入说明',
     },
   },
@@ -957,10 +959,11 @@ export const modeApiForm: FormSchema[] = [
   {
     field: 'description',
     label: '说明',
-    colProps: { span: 12 },
+    colProps: { span: 24 },
     component: 'InputTextArea',
     componentProps: {
       maxLength: 255,
+      rows: 4,
       placeholder: '请输入说明',
     },
   },