diff --git a/web/app/components/app/configuration/config/automatic/instruction-editor.tsx b/web/app/components/app/configuration/config/automatic/instruction-editor.tsx
index c4f0a906be..5eb1fe12be 100644
--- a/web/app/components/app/configuration/config/automatic/instruction-editor.tsx
+++ b/web/app/components/app/configuration/config/automatic/instruction-editor.tsx
@@ -61,7 +61,7 @@ const InstructionEditor: FC<Props> = ({
       )
 
   const handleInsertVariable = () => {
-    eventEmitter?.emit({ type: PROMPT_EDITOR_INSERT_QUICKLY, instanceId: editorKey } as any)
+    eventEmitter?.emit({ type: PROMPT_EDITOR_INSERT_QUICKLY, instanceId: editorKey })
   }
 
   return (
diff --git a/web/app/components/workflow/nodes/_base/components/prompt/editor.tsx b/web/app/components/workflow/nodes/_base/components/prompt/editor.tsx
index 37451149c5..a6ae29412c 100644
--- a/web/app/components/workflow/nodes/_base/components/prompt/editor.tsx
+++ b/web/app/components/workflow/nodes/_base/components/prompt/editor.tsx
@@ -157,7 +157,7 @@ const Editor: FC<Props> = ({
 
   const handleInsertVariable = () => {
     setFocus()
-    eventEmitter?.emit({ type: PROMPT_EDITOR_INSERT_QUICKLY, instanceId } as any)
+    eventEmitter?.emit({ type: PROMPT_EDITOR_INSERT_QUICKLY, instanceId })
   }
 
   const getVarType = useWorkflowVariableType()
diff --git a/web/app/components/workflow/variable-inspect/right.tsx b/web/app/components/workflow/variable-inspect/right.tsx
index 7befbb1aa0..7cc6baf9a4 100644
--- a/web/app/components/workflow/variable-inspect/right.tsx
+++ b/web/app/components/workflow/variable-inspect/right.tsx
@@ -143,7 +143,7 @@ const Right: FC<Props> = ({
       type: PROMPT_EDITOR_UPDATE_VALUE_BY_EVENT_EMITTER,
       instanceId: `${nodeId}-chat-workflow-llm-prompt-editor`,
       payload: res.modified,
-    } as any)
+    })
     handleHidePromptGenerator()
   }, [setInputs, blockType, nodeId, node?.data, handleHidePromptGenerator])
 
diff --git a/web/app/components/workflow/variable-inspect/trigger.tsx b/web/app/components/workflow/variable-inspect/trigger.tsx
index d7fe0bcbb9..f5a833f456 100644
--- a/web/app/components/workflow/variable-inspect/trigger.tsx
+++ b/web/app/components/workflow/variable-inspect/trigger.tsx
@@ -49,7 +49,7 @@ const VariableInspectTrigger: FC = () => {
   const handleStop = () => {
     eventEmitter?.emit({
       type: EVENT_WORKFLOW_STOP,
-    } as any)
+    })
   }
 
   const handleClearAll = () => {
diff --git a/web/app/components/workflow/variable-inspect/variables-tab.tsx b/web/app/components/workflow/variable-inspect/variables-tab.tsx
index f71c379af1..74792e41c8 100644
--- a/web/app/components/workflow/variable-inspect/variables-tab.tsx
+++ b/web/app/components/workflow/variable-inspect/variables-tab.tsx
@@ -127,8 +127,7 @@ const VariablesTab: FC<InspectHeaderProps> = (headerProps) => {
   const { eventEmitter } = useEventEmitterContextContext()
 
   const onStopListening = useCallback(() => {
-    // eslint-disable-next-line ts/no-explicit-any -- EventEmitter is typed as string but project-wide convention passes { type } objects
-    eventEmitter?.emit({ type: EVENT_WORKFLOW_STOP } as any)
+    eventEmitter?.emit({ type: EVENT_WORKFLOW_STOP })
   }, [eventEmitter])
 
   useEffect(() => {
diff --git a/web/context/event-emitter.tsx b/web/context/event-emitter.tsx
index 61a605cabf..ab311bed02 100644
--- a/web/context/event-emitter.tsx
+++ b/web/context/event-emitter.tsx
@@ -4,7 +4,9 @@ import type { EventEmitter } from 'ahooks/lib/useEventEmitter'
 import { useEventEmitter } from 'ahooks'
 import { createContext, useContext } from 'use-context-selector'
 
-const EventEmitterContext = createContext<{ eventEmitter: EventEmitter<string> | null }>({
+export type EventPayload = string | ({ type: string } & Record<string, unknown>)
+
+const EventEmitterContext = createContext<{ eventEmitter: EventEmitter<EventPayload> | null }>({
   eventEmitter: null,
 })
 
@@ -16,7 +18,7 @@ type EventEmitterContextProviderProps = {
 export const EventEmitterContextProvider = ({
   children,
 }: EventEmitterContextProviderProps) => {
-  const eventEmitter = useEventEmitter<string>()
+  const eventEmitter = useEventEmitter<EventPayload>()
 
   return (
     <EventEmitterContext.Provider value={{ eventEmitter }}>