diff --git a/lightrag_webui/src/components/graph/EditablePropertyRow.tsx b/lightrag_webui/src/components/graph/EditablePropertyRow.tsx
index a8e84fce..7199b6ab 100644
--- a/lightrag_webui/src/components/graph/EditablePropertyRow.tsx
+++ b/lightrag_webui/src/components/graph/EditablePropertyRow.tsx
@@ -19,6 +19,7 @@ interface EditablePropertyRowProps {
   targetId?: string            // Target node ID (for edge type)
   onValueChange?: (newValue: any) => void  // Optional callback when value changes
   isEditable?: boolean         // Whether this property can be edited
+  tooltip?: string             // Optional tooltip to display on hover
 }
 
 /**
@@ -34,7 +35,8 @@ const EditablePropertyRow = ({
   sourceId,
   targetId,
   onValueChange,
-  isEditable = false
+  isEditable = false,
+  tooltip
 }: EditablePropertyRowProps) => {
   const { t } = useTranslation()
   const [isEditing, setIsEditing] = useState(false)
@@ -101,7 +103,11 @@ const EditablePropertyRow = ({
     <div className="flex items-center gap-1">
       <PropertyName name={name} />
       <EditIcon onClick={handleEditClick} />:
-      <PropertyValue value={currentValue} onClick={onClick} />
+      <PropertyValue 
+        value={currentValue} 
+        onClick={onClick} 
+        tooltip={tooltip || (typeof currentValue === 'string' ? currentValue : JSON.stringify(currentValue, null, 2))}
+      />
       <PropertyEditDialog
         isOpen={isEditing}
         onClose={handleCancel}
diff --git a/lightrag_webui/src/components/graph/PropertiesView.tsx b/lightrag_webui/src/components/graph/PropertiesView.tsx
index 804a7f09..b63f1b09 100644
--- a/lightrag_webui/src/components/graph/PropertiesView.tsx
+++ b/lightrag_webui/src/components/graph/PropertiesView.tsx
@@ -207,6 +207,7 @@ const PropertyRow = ({
         sourceId={sourceId}
         targetId={targetId}
         isEditable={true}
+        tooltip={tooltip || (typeof value === 'string' ? value : JSON.stringify(value, null, 2))}
       />
     )
   }
diff --git a/lightrag_webui/src/components/graph/PropertyRowComponents.tsx b/lightrag_webui/src/components/graph/PropertyRowComponents.tsx
index d0c280d9..5ffaf7b6 100644
--- a/lightrag_webui/src/components/graph/PropertyRowComponents.tsx
+++ b/lightrag_webui/src/components/graph/PropertyRowComponents.tsx
@@ -38,14 +38,16 @@ export const EditIcon = ({ onClick }: EditIconProps) => (
 interface PropertyValueProps {
   value: any
   onClick?: () => void
+  tooltip?: string
 }
 
-export const PropertyValue = ({ value, onClick }: PropertyValueProps) => (
+export const PropertyValue = ({ value, onClick, tooltip }: PropertyValueProps) => (
   <div className="flex items-center gap-1">
     <Text
       className="hover:bg-primary/20 rounded p-1 overflow-hidden text-ellipsis"
       tooltipClassName="max-w-80"
       text={value}
+      tooltip={tooltip || (typeof value === 'string' ? value : JSON.stringify(value, null, 2))}
       side="left"
       onClick={onClick}
     />