diff --git a/ui/src/locales/lang/en-US/views/application-workflow.ts b/ui/src/locales/lang/en-US/views/application-workflow.ts
index 1171adaa1..e00332de5 100644
--- a/ui/src/locales/lang/en-US/views/application-workflow.ts
+++ b/ui/src/locales/lang/en-US/views/application-workflow.ts
@@ -222,7 +222,7 @@ export default {
     },
     mcpNode: {
       label: 'MCP Server',
-      text: 'Call MCP Tools',
+      text: 'Call MCP Tools through SSE',
       getToolsSuccess: 'Get Tools Successfully',
       getTool: 'Get Tools',
       tool: 'Tool',
diff --git a/ui/src/locales/lang/zh-CN/views/application-workflow.ts b/ui/src/locales/lang/zh-CN/views/application-workflow.ts
index fadc70409..49a178534 100644
--- a/ui/src/locales/lang/zh-CN/views/application-workflow.ts
+++ b/ui/src/locales/lang/zh-CN/views/application-workflow.ts
@@ -221,8 +221,8 @@ export default {
       assign: '赋值'
     },
     mcpNode: {
-      label: 'MCP 节点',
-      text: '调用 MCP 工具',
+      label: 'MCP 调用',
+      text: '通过 SSE 方式执行 MCP 服务中的工具',
       getToolsSuccess: '获取工具成功',
       getTool: '获取工具',
       tool: '工具',
diff --git a/ui/src/locales/lang/zh-Hant/views/application-workflow.ts b/ui/src/locales/lang/zh-Hant/views/application-workflow.ts
index bdc662561..7d4c4f693 100644
--- a/ui/src/locales/lang/zh-Hant/views/application-workflow.ts
+++ b/ui/src/locales/lang/zh-Hant/views/application-workflow.ts
@@ -221,8 +221,8 @@ export default {
       assign: '賦值'
     },
     mcpNode: {
-      label: 'MCP 節點',
-      text: '呼叫 MCP 工具',
+      label: 'MCP 調用',
+      text: '透過SSE方式執行MCP服務中的工具',
       getToolsSuccess: '獲取工具成功',
       getTool: '獲取工具',
       tool: '工具',
diff --git a/ui/src/workflow/nodes/mcp-node/index.vue b/ui/src/workflow/nodes/mcp-node/index.vue
index a9f28aa91..8e5e510e8 100644
--- a/ui/src/workflow/nodes/mcp-node/index.vue
+++ b/ui/src/workflow/nodes/mcp-node/index.vue
@@ -324,11 +324,21 @@ const validate = async () => {
 
     if (requiredFields.length > 0) {
       for (const item of requiredFields) {
-        if (!form_data.value.tool_params[form_data.value.params_nested][item]) {
-          return Promise.reject({
-            node: props.nodeModel,
-            errMessage: item + t('dynamicsForm.tip.requiredMessage')
-          })
+        if (form_data.value.params_nested) {
+          if (!form_data.value.tool_params[form_data.value.params_nested][item]) {
+            return Promise.reject({
+              node: props.nodeModel,
+              errMessage: item + t('dynamicsForm.tip.requiredMessage')
+            })
+          }
+        } else {
+          // 这里是没有嵌套的情况
+          if (!form_data.value.tool_params[item]) {
+            return Promise.reject({
+              node: props.nodeModel,
+              errMessage: item + t('dynamicsForm.tip.requiredMessage')
+            })
+          }
         }
       }
     }