diff --git a/web/app/components/workflow/nodes/agent/use-config.ts b/web/app/components/workflow/nodes/agent/use-config.ts
index 0714309d18..45dd648989 100644
--- a/web/app/components/workflow/nodes/agent/use-config.ts
+++ b/web/app/components/workflow/nodes/agent/use-config.ts
@@ -102,7 +102,9 @@ const useConfig = (id: string, payload: AgentNodeType) => {
     defaultRunInputData: {},
   })
   const allVarStrArr = (() => {
-    const arr = ['']
+    const arr = currentStrategy?.parameters.filter(item => item.type === 'string').map((item) => {
+      return formData[item.name]
+    }) || []
 
     return arr
   })()
diff --git a/web/app/components/workflow/utils.ts b/web/app/components/workflow/utils.ts
index 46ac4ce1c6..bdf096491e 100644
--- a/web/app/components/workflow/utils.ts
+++ b/web/app/components/workflow/utils.ts
@@ -395,6 +395,7 @@ export const canRunBySingle = (nodeType: BlockEnum) => {
     || nodeType === BlockEnum.Tool
     || nodeType === BlockEnum.ParameterExtractor
     || nodeType === BlockEnum.Iteration
+    || nodeType === BlockEnum.Agent
 }
 
 type ConnectedSourceOrTargetNodesChange = {