diff --git a/packages/nc-gui/components/smartsheet/grid/canvas/cells/Plain.ts b/packages/nc-gui/components/smartsheet/grid/canvas/cells/Plain.ts
index 537a23b1f7..454191c2a5 100644
--- a/packages/nc-gui/components/smartsheet/grid/canvas/cells/Plain.ts
+++ b/packages/nc-gui/components/smartsheet/grid/canvas/cells/Plain.ts
@@ -18,6 +18,7 @@ export const PlainCellRenderer: CellRenderer = {
       isMysql,
       isXcdbBase,
       t,
+      isUnderLookup,
     } = props
 
     if (!meta || !metas) return
@@ -33,6 +34,7 @@ export const PlainCellRenderer: CellRenderer = {
       isMssql,
       isXcdbBase,
       t,
+      isUnderLookup,
     })
 
     if (props.tag?.renderAsTag) {
diff --git a/packages/nc-gui/lib/types.ts b/packages/nc-gui/lib/types.ts
index 4bea1c9a0d..2d0aaafbdf 100644
--- a/packages/nc-gui/lib/types.ts
+++ b/packages/nc-gui/lib/types.ts
@@ -543,6 +543,7 @@ interface ParsePlainCellValueProps {
     isMssql: (sourceId?: string) => boolean
     isXcdbBase: (sourceId?: string) => boolean
     t: Composer['t']
+    isUnderLookup?: boolean
   }
 }
 
diff --git a/packages/nc-gui/utils/dataUtils.ts b/packages/nc-gui/utils/dataUtils.ts
index f9f0c6ed02..66095039cd 100644
--- a/packages/nc-gui/utils/dataUtils.ts
+++ b/packages/nc-gui/utils/dataUtils.ts
@@ -715,7 +715,7 @@ export const parsePlainCellValue = (
   value: ParsePlainCellValueProps['value'],
   params: ParsePlainCellValueProps['params'],
 ): string => {
-  const { col, abstractType } = params
+  const { col, abstractType, isUnderLookup } = params
 
   if (!col) {
     return ''
@@ -765,7 +765,11 @@ export const parsePlainCellValue = (
   }
   if (isJSON(col)) {
     try {
-      return JSON.stringify(JSON.parse(value), null, 2)
+      if (isUnderLookup) {
+        return typeof value === 'string' ? value : JSON.stringify(value)
+      } else {
+        return JSON.stringify(JSON.parse(value), null, 2)
+      }
     } catch {
       return value
     }