diff --git a/web/app/components/workflow/nodes/_base/components/variable/__tests__/utils.spec.ts b/web/app/components/workflow/nodes/_base/components/variable/__tests__/utils.spec.ts
index 010fad6afa..ec7c4f17de 100644
--- a/web/app/components/workflow/nodes/_base/components/variable/__tests__/utils.spec.ts
+++ b/web/app/components/workflow/nodes/_base/components/variable/__tests__/utils.spec.ts
@@ -4,7 +4,7 @@ import type { LLMNodeType } from '@/app/components/workflow/nodes/llm/types'
 import type { Node, PromptItem } from '@/app/components/workflow/types'
 import { describe, expect, it } from 'vitest'
 import { DeliveryMethodType } from '@/app/components/workflow/nodes/human-input/types'
-import { BlockEnum, EditionType, PromptRole } from '@/app/components/workflow/types'
+import { BlockEnum, EditionType, InputVarType, PromptRole } from '@/app/components/workflow/types'
 import { AppModeEnum } from '@/types/app'
 import { getNodeUsedVars, updateNodeVars } from '../utils'
 
@@ -62,7 +62,26 @@ describe('variable utils', () => {
         title: 'Human Input',
         desc: '',
         form_content: '',
-        inputs: [],
+        inputs: [
+          {
+            type: InputVarType.paragraph,
+            output_variable_name: 'summary',
+            default: {
+              type: 'variable',
+              selector: ['conversation', 'memory'],
+              value: '',
+            },
+          },
+          {
+            type: InputVarType.select,
+            output_variable_name: 'decision',
+            option_source: {
+              type: 'variable',
+              selector: ['env', 'OPTIONS'],
+              value: [],
+            },
+          },
+        ],
         user_actions: [],
         timeout: 1,
         timeout_unit: 'day',
@@ -84,6 +103,8 @@ describe('variable utils', () => {
       expect(getNodeUsedVars(node)).toEqual(
         expect.arrayContaining([
           ['env', 'API_KEY'],
+          ['conversation', 'memory'],
+          ['env', 'OPTIONS'],
         ]),
       )
     })
@@ -129,7 +150,26 @@ describe('variable utils', () => {
         title: 'Human Input',
         desc: '',
         form_content: '',
-        inputs: [],
+        inputs: [
+          {
+            type: InputVarType.paragraph,
+            output_variable_name: 'summary',
+            default: {
+              type: 'variable',
+              selector: ['env', 'API_KEY'],
+              value: '',
+            },
+          },
+          {
+            type: InputVarType.select,
+            output_variable_name: 'decision',
+            option_source: {
+              type: 'variable',
+              selector: ['env', 'API_KEY'],
+              value: [],
+            },
+          },
+        ],
         user_actions: [],
         timeout: 1,
         timeout_unit: 'day',
@@ -154,6 +194,16 @@ describe('variable utils', () => {
         subject: 'Subject {{#conversation.memory#}}',
         body: 'Body {{#env.RENAMED_KEY#}}',
       })
+      expect((updatedNode.data as HumanInputNodeType).inputs[0]).toMatchObject({
+        default: {
+          selector: ['env', 'RENAMED_KEY'],
+        },
+      })
+      expect((updatedNode.data as HumanInputNodeType).inputs[1]).toMatchObject({
+        option_source: {
+          selector: ['env', 'RENAMED_KEY'],
+        },
+      })
     })
   })
 })
diff --git a/web/app/components/workflow/nodes/_base/components/variable/utils.ts b/web/app/components/workflow/nodes/_base/components/variable/utils.ts
index 3754058b50..80a33eecc6 100644
--- a/web/app/components/workflow/nodes/_base/components/variable/utils.ts
+++ b/web/app/components/workflow/nodes/_base/components/variable/utils.ts
@@ -1530,7 +1530,14 @@ export const getNodeUsedVars = (node: Node): ValueSelector[] => {
           return []
         return [method.config.body]
       })
-      res = matchNotSystemVars([formContent, ...mailTemplates])
+      const inputSelectors = payload.inputs.flatMap((input) => {
+        if (input.type === InputVarType.paragraph && input.default.type === 'variable')
+          return [input.default.selector]
+        if (input.type === InputVarType.select && input.option_source.type === 'variable')
+          return [input.option_source.selector]
+        return []
+      })
+      res = [...matchNotSystemVars([formContent, ...mailTemplates]), ...inputSelectors]
       break
     }
   }
@@ -2032,6 +2039,15 @@ export const updateNodeVars = (
             },
           }
         })
+        payload.inputs = payload.inputs.map((input) => {
+          if (input.type === InputVarType.paragraph && input.default.type === 'variable' && input.default.selector.join('.') === oldVarSelector.join('.')) {
+            input.default.selector = newVarSelector
+          }
+          if (input.type === InputVarType.select && input.option_source.type === 'variable' && input.option_source.selector.join('.') === oldVarSelector.join('.')) {
+            input.option_source.selector = newVarSelector
+          }
+          return input
+        })
         break
       }
     }