diff --git a/internal/applicant/applicant.go b/internal/applicant/applicant.go
index 56c3baeb..eb65de1b 100644
--- a/internal/applicant/applicant.go
+++ b/internal/applicant/applicant.go
@@ -44,8 +44,6 @@ var sslProviderUrls = map[string]string{
 	sslProviderGts:         gtsUrl,
 }
 
-const defaultEmail = "536464346@qq.com"
-
 type Certificate struct {
 	CertUrl           string `json:"certUrl"`
 	CertStableUrl     string `json:"certStableUrl"`
diff --git a/ui/src/components/workflow/WorkflowElement.tsx b/ui/src/components/workflow/WorkflowElement.tsx
index ac60e7ec..0f2ed3d3 100644
--- a/ui/src/components/workflow/WorkflowElement.tsx
+++ b/ui/src/components/workflow/WorkflowElement.tsx
@@ -16,9 +16,10 @@ import AddNode from "./node/AddNode";
 
 export type NodeProps = {
   node: WorkflowNode;
+  disabled?: boolean;
 };
 
-const WorkflowElement = ({ node }: NodeProps) => {
+const WorkflowElement = ({ node, disabled }: NodeProps) => {
   const { t } = useTranslation();
 
   const { updateNode, removeNode } = useWorkflowStore(useZustandShallowSelector(["updateNode", "removeNode"]));
@@ -94,6 +95,8 @@ const WorkflowElement = ({ node }: NodeProps) => {
   };
 
   const handleNodeClick = () => {
+    if (disabled) return;
+
     showPanel({
       name: node.name,
       children: <PanelBody data={node} />,
@@ -111,10 +114,13 @@ const WorkflowElement = ({ node }: NodeProps) => {
                 items: [
                   {
                     key: "delete",
+                    disabled: disabled,
                     label: t("workflow_node.action.delete_node"),
                     icon: <CloseCircleOutlinedIcon />,
                     danger: true,
                     onClick: () => {
+                      if (disabled) return;
+
                       removeNode(node.id);
                     },
                   },
@@ -150,7 +156,7 @@ const WorkflowElement = ({ node }: NodeProps) => {
         </Card>
       </Popover>
 
-      <AddNode node={node} />
+      <AddNode node={node} disabled={disabled} />
     </>
   );
 };
diff --git a/ui/src/components/workflow/WorkflowElements.tsx b/ui/src/components/workflow/WorkflowElements.tsx
index 201faf47..637461b6 100644
--- a/ui/src/components/workflow/WorkflowElements.tsx
+++ b/ui/src/components/workflow/WorkflowElements.tsx
@@ -10,9 +10,10 @@ import { useWorkflowStore } from "@/stores/workflow";
 export type WorkflowElementsProps = {
   className?: string;
   style?: React.CSSProperties;
+  disabled?: boolean;
 };
 
-const WorkflowElements = ({ className, style }: WorkflowElementsProps) => {
+const WorkflowElements = ({ className, style, disabled }: WorkflowElementsProps) => {
   const { workflow } = useWorkflowStore(useZustandShallowSelector(["workflow"]));
 
   const elements = useMemo(() => {
@@ -20,7 +21,7 @@ const WorkflowElements = ({ className, style }: WorkflowElementsProps) => {
 
     let current = workflow.draft as WorkflowNode;
     while (current) {
-      nodes.push(<NodeRender node={current} key={current.id} />);
+      nodes.push(<NodeRender key={current.id} node={current} disabled={disabled} />);
       current = current.next as WorkflowNode;
     }
 
diff --git a/ui/src/components/workflow/node/AddNode.tsx b/ui/src/components/workflow/node/AddNode.tsx
index 2426eb63..b9d93fee 100644
--- a/ui/src/components/workflow/node/AddNode.tsx
+++ b/ui/src/components/workflow/node/AddNode.tsx
@@ -15,9 +15,10 @@ import { useWorkflowStore } from "@/stores/workflow";
 
 export type AddNodeProps = {
   node: WorkflowNode;
+  disabled?: boolean;
 };
 
-const AddNode = ({ node }: AddNodeProps) => {
+const AddNode = ({ node, disabled }: AddNodeProps) => {
   const { t } = useTranslation();
 
   const { addNode } = useWorkflowStore(useZustandShallowSelector(["addNode"]));
@@ -31,20 +32,19 @@ const AddNode = ({ node }: AddNodeProps) => {
     ].map(([type, label, icon]) => {
       return {
         key: type as string,
+        disabled: true,
         label: t(label as string),
         icon: icon,
         onClick: () => {
-          handleNodeTypeSelect(type as WorkflowNodeType);
+          if (disabled) return;
+
+          const nextNode = newNode(type as WorkflowNodeType);
+          addNode(nextNode, node.id);
         },
       };
     });
   }, []);
 
-  const handleNodeTypeSelect = (type: WorkflowNodeType) => {
-    const nextNode = newNode(type);
-    addNode(nextNode, node.id);
-  };
-
   return (
     <div className="relative py-6 before:absolute before:left-1/2 before:top-0 before:h-full before:w-[2px] before:-translate-x-1/2 before:bg-stone-200 before:content-['']">
       <Dropdown menu={{ items: dropdownMenus }} trigger={["click"]}>
diff --git a/ui/src/components/workflow/node/BranchNode.tsx b/ui/src/components/workflow/node/BranchNode.tsx
index e5202dc1..e5a3cfcf 100644
--- a/ui/src/components/workflow/node/BranchNode.tsx
+++ b/ui/src/components/workflow/node/BranchNode.tsx
@@ -11,9 +11,10 @@ import NodeRender from "./NodeRender";
 
 export type BrandNodeProps = {
   node: WorkflowNode;
+  disabled?: boolean;
 };
 
-const BranchNode = ({ node }: BrandNodeProps) => {
+const BranchNode = ({ node, disabled }: BrandNodeProps) => {
   const { t } = useTranslation();
 
   const { addBranch } = useWorkflowStore(useZustandShallowSelector(["addBranch"]));
@@ -23,7 +24,7 @@ const BranchNode = ({ node }: BrandNodeProps) => {
 
     let current = node as WorkflowNode | undefined;
     while (current) {
-      elements.push(<NodeRender key={current.id} node={current} branchId={branchNodeId} branchIndex={branchIndex} />);
+      elements.push(<NodeRender key={current.id} node={current} branchId={branchNodeId} branchIndex={branchIndex} disabled={disabled} />);
       current = current.next;
     }
 
@@ -35,6 +36,7 @@ const BranchNode = ({ node }: BrandNodeProps) => {
       <div className="relative flex gap-x-16 before:absolute before:inset-x-[128px] before:top-0 before:h-[2px] before:bg-stone-200 before:content-[''] after:absolute after:inset-x-[128px] after:bottom-0 after:h-[2px] after:bg-stone-200 after:content-['']">
         <Button
           className="absolute left-1/2 z-[1] -translate-x-1/2 -translate-y-1/2 text-xs"
+          disabled={disabled}
           size="small"
           shape="round"
           variant="outlined"
@@ -55,7 +57,7 @@ const BranchNode = ({ node }: BrandNodeProps) => {
         ))}
       </div>
 
-      <AddNode node={node} />
+      <AddNode node={node} disabled={disabled} />
     </>
   );
 };
diff --git a/ui/src/components/workflow/node/ConditionNode.tsx b/ui/src/components/workflow/node/ConditionNode.tsx
index a19f6b10..e1bf21d3 100644
--- a/ui/src/components/workflow/node/ConditionNode.tsx
+++ b/ui/src/components/workflow/node/ConditionNode.tsx
@@ -11,11 +11,12 @@ import AddNode from "./AddNode";
 
 export type ConditionNodeProps = {
   node: WorkflowNode;
-  branchId?: string;
-  branchIndex?: number;
+  branchId: string;
+  branchIndex: number;
+  disabled?: boolean;
 };
 
-const ConditionNode = ({ node, branchId, branchIndex }: ConditionNodeProps) => {
+const ConditionNode = ({ node, branchId, branchIndex, disabled }: ConditionNodeProps) => {
   const { t } = useTranslation();
 
   const { updateNode, removeBranch } = useWorkflowStore(useZustandShallowSelector(["updateNode", "removeBranch"]));
@@ -44,11 +45,14 @@ const ConditionNode = ({ node, branchId, branchIndex }: ConditionNodeProps) => {
               items: [
                 {
                   key: "delete",
+                  disabled: disabled,
                   label: t("workflow_node.action.delete_branch"),
                   icon: <CloseCircleOutlinedIcon />,
                   danger: true,
                   onClick: () => {
-                    removeBranch(branchId ?? "", branchIndex ?? 0);
+                    if (disabled) return;
+
+                    removeBranch(branchId!, branchIndex!);
                   },
                 },
               ],
@@ -76,7 +80,7 @@ const ConditionNode = ({ node, branchId, branchIndex }: ConditionNodeProps) => {
         </Card>
       </Popover>
 
-      <AddNode node={node} />
+      <AddNode node={node} disabled={disabled} />
     </>
   );
 };
diff --git a/ui/src/components/workflow/node/NodeRender.tsx b/ui/src/components/workflow/node/NodeRender.tsx
index 2e7b1e57..d64648a4 100644
--- a/ui/src/components/workflow/node/NodeRender.tsx
+++ b/ui/src/components/workflow/node/NodeRender.tsx
@@ -11,22 +11,23 @@ export type NodeRenderProps = {
   node: WorkflowNode;
   branchId?: string;
   branchIndex?: number;
+  disabled?: boolean;
 };
 
-const NodeRender = ({ node: data, branchId, branchIndex }: NodeRenderProps) => {
+const NodeRender = ({ node: data, branchId, branchIndex, disabled }: NodeRenderProps) => {
   const render = () => {
     switch (data.type) {
       case WorkflowNodeType.Start:
       case WorkflowNodeType.Apply:
       case WorkflowNodeType.Deploy:
       case WorkflowNodeType.Notify:
-        return <WorkflowElement node={data} />;
+        return <WorkflowElement node={data} disabled={disabled} />;
       case WorkflowNodeType.End:
         return <EndNode />;
       case WorkflowNodeType.Branch:
-        return <BranchNode node={data} />;
+        return <BranchNode node={data} disabled={disabled} />;
       case WorkflowNodeType.Condition:
-        return <ConditionNode node={data as WorkflowNode} branchId={branchId} branchIndex={branchIndex} />;
+        return <ConditionNode node={data as WorkflowNode} branchId={branchId!} branchIndex={branchIndex!} disabled={disabled} />;
     }
   };
 
diff --git a/ui/src/pages/workflows/WorkflowDetail.tsx b/ui/src/pages/workflows/WorkflowDetail.tsx
index 29a866a3..baa61dbd 100644
--- a/ui/src/pages/workflows/WorkflowDetail.tsx
+++ b/ui/src/pages/workflows/WorkflowDetail.tsx
@@ -248,7 +248,7 @@ const WorkflowDetail = () => {
           <Show when={tabValue === "orchestration"}>
             <div className="relative">
               <div className="py-12 lg:pr-36 xl:pr-48">
-                <WorkflowElements />
+                <WorkflowElements disabled={isRunning} />
               </div>
               <div className="absolute right-0 top-0 z-[1]">
                 <Space>