diff --git a/dolphinscheduler-ui/src/locales/modules/en_US.ts b/dolphinscheduler-ui/src/locales/modules/en_US.ts
index d095723900..60d1f02d69 100644
--- a/dolphinscheduler-ui/src/locales/modules/en_US.ts
+++ b/dolphinscheduler-ui/src/locales/modules/en_US.ts
@@ -308,8 +308,6 @@ const resource = {
     name: 'Task group name',
     project_name: 'Project name',
     resource_pool_size: 'Resource pool size',
-    resource_pool_size_be_a_number:
-      'The size of the task group resource pool should be more than 1',
     resource_used_pool_size: 'Used resource',
     desc: 'Task group desc',
     status: 'Task group status',
@@ -319,6 +317,7 @@ const resource = {
     please_enter_desc: 'Please enter task group description',
     please_enter_resource_pool_size:
       'Please enter task group resource pool size',
+    positive_integer_tips: 'should be a positive integer',
     please_select_project: 'Please select a project',
     create_time: 'Create time',
     update_time: 'Update time',
diff --git a/dolphinscheduler-ui/src/locales/modules/zh_CN.ts b/dolphinscheduler-ui/src/locales/modules/zh_CN.ts
index e0ce9dcc12..33a0c2a7d6 100644
--- a/dolphinscheduler-ui/src/locales/modules/zh_CN.ts
+++ b/dolphinscheduler-ui/src/locales/modules/zh_CN.ts
@@ -314,7 +314,7 @@ const resource = {
     please_enter_name: '请输入任务组名称',
     please_enter_desc: '请输入任务组描述',
     please_enter_resource_pool_size: '请输入资源容量大小',
-    resource_pool_size_be_a_number: '资源容量大小必须大于等于1的数值',
+    positive_integer_tips: '应为正整数',
     please_select_project: '请选择项目',
     create_time: '创建时间',
     update_time: '更新时间',
diff --git a/dolphinscheduler-ui/src/views/resource/task-group/option/components/form-modal.tsx b/dolphinscheduler-ui/src/views/resource/task-group/option/components/form-modal.tsx
index 47be759f58..259d0a361e 100644
--- a/dolphinscheduler-ui/src/views/resource/task-group/option/components/form-modal.tsx
+++ b/dolphinscheduler-ui/src/views/resource/task-group/option/components/form-modal.tsx
@@ -16,7 +16,7 @@
  */
 
 import { defineComponent, PropType, toRefs, onMounted, ref, Ref } from 'vue'
-import { NForm, NFormItem, NInput, NSelect } from 'naive-ui'
+import { NForm, NFormItem, NInput, NSelect, NInputNumber } from 'naive-ui'
 import { useForm } from '../use-form'
 import Modal from '@/components/modal'
 import { createTaskGroup, updateTaskGroup } from '@/service/modules/task-group'
@@ -133,8 +133,10 @@ const FormModal = defineComponent({
             label={t('resource.task_group_option.resource_pool_size')}
             path='groupSize'
           >
-            <NInput
+            <NInputNumber
               v-model:value={this.formData.groupSize}
+              style={{width: '100%'}}
+              min={1}
               placeholder={t(
                 'resource.task_group_option.please_enter_resource_pool_size'
               )}
diff --git a/dolphinscheduler-ui/src/views/resource/task-group/option/use-form.ts b/dolphinscheduler-ui/src/views/resource/task-group/option/use-form.ts
index 6f6f0e69c3..b5a77cf199 100644
--- a/dolphinscheduler-ui/src/views/resource/task-group/option/use-form.ts
+++ b/dolphinscheduler-ui/src/views/resource/task-group/option/use-form.ts
@@ -53,6 +53,12 @@ export function useForm() {
               t('resource.task_group_option.please_enter_resource_pool_size')
             )
           }
+          if (!/^[1-9]\d*$/.test(state.formData.groupSize)) {
+            return new Error(
+              t('resource.task_group_option.resource_pool_size') +
+                t('resource.task_group_option.positive_integer_tips')
+            )
+          }
         }
       },
       projectCode: {