diff --git a/src/views/ValueForum/components/CommentInvestModal.js b/src/views/ValueForum/components/CommentInvestModal.js
index f643cb1b..9ce35fd6 100644
--- a/src/views/ValueForum/components/CommentInvestModal.js
+++ b/src/views/ValueForum/components/CommentInvestModal.js
@@ -36,6 +36,7 @@ import {
   getUserAccount,
 } from '@services/predictionMarketService.api';
 import { useAuth } from '@contexts/AuthContext';
+import { GLASS_BLUR } from '@/constants/glassConfig';
 
 const MotionBox = motion(Box);
 
@@ -152,7 +153,7 @@ const CommentInvestModal = ({ isOpen, onClose, comment, topic, onInvestSuccess }
 
   return (
     <Modal isOpen={isOpen} onClose={onClose} size={{ base: "full", sm: "lg" }} isCentered>
-      <ModalOverlay backdropFilter="blur(4px)" />
+      <ModalOverlay backdropFilter={GLASS_BLUR.xs} />
       <ModalContent
         bg={forumColors.background.card}
         borderRadius={{ base: "0", sm: "xl" }}
diff --git a/src/views/ValueForum/components/CreatePredictionModal.js b/src/views/ValueForum/components/CreatePredictionModal.js
index f5f173a1..7313c4e1 100644
--- a/src/views/ValueForum/components/CreatePredictionModal.js
+++ b/src/views/ValueForum/components/CreatePredictionModal.js
@@ -32,6 +32,7 @@ import { forumColors } from '@theme/forumTheme';
 import { createTopic, getUserAccount } from '@services/predictionMarketService.api';
 import { CREDIT_CONFIG } from '@services/creditSystemService';
 import { useAuth } from '@contexts/AuthContext';
+import { GLASS_BLUR } from '@/constants/glassConfig';
 
 const CreatePredictionModal = ({ isOpen, onClose, onTopicCreated }) => {
   const toast = useToast();
@@ -160,7 +161,7 @@ const CreatePredictionModal = ({ isOpen, onClose, onTopicCreated }) => {
 
   return (
     <Modal isOpen={isOpen} onClose={onClose} size="xl" isCentered>
-      <ModalOverlay backdropFilter="blur(4px)" />
+      <ModalOverlay backdropFilter={GLASS_BLUR.xs} />
       <ModalContent
         bg={forumColors.background.card}
         borderRadius="xl"
diff --git a/src/views/ValueForum/components/PredictionGuideModal.js b/src/views/ValueForum/components/PredictionGuideModal.js
index 2948a67a..6639afa2 100644
--- a/src/views/ValueForum/components/PredictionGuideModal.js
+++ b/src/views/ValueForum/components/PredictionGuideModal.js
@@ -61,6 +61,7 @@ import {
 } from 'lucide-react';
 import { motion } from 'framer-motion';
 import { forumColors } from '@theme/forumTheme';
+import { GLASS_BLUR } from '@/constants/glassConfig';
 
 const MotionBox = motion(Box);
 
@@ -223,7 +224,7 @@ const PredictionGuideModal = ({ isOpen, onClose }) => {
 
   return (
     <Modal isOpen={isOpen} onClose={onClose} size="6xl" isCentered scrollBehavior="inside">
-      <ModalOverlay backdropFilter="blur(4px)" bg="blackAlpha.800" />
+      <ModalOverlay backdropFilter={GLASS_BLUR.xs} bg="blackAlpha.800" />
       <ModalContent
         bg={forumColors.background.card}
         borderRadius="2xl"
diff --git a/src/views/ValueForum/components/TradeModal.js b/src/views/ValueForum/components/TradeModal.js
index bea6ac6d..e9d7b8fe 100644
--- a/src/views/ValueForum/components/TradeModal.js
+++ b/src/views/ValueForum/components/TradeModal.js
@@ -41,6 +41,7 @@ import {
 } from '@services/predictionMarketService.api';
 import { CREDIT_CONFIG } from '@services/creditSystemService';
 import { useAuth } from '@contexts/AuthContext';
+import { GLASS_BLUR } from '@/constants/glassConfig';
 
 const MotionBox = motion(Box);
 
@@ -213,7 +214,7 @@ const TradeModal = ({ isOpen, onClose, topic, mode = 'buy', onTradeSuccess }) =>
 
   return (
     <Modal isOpen={isOpen} onClose={onClose} size={{ base: "full", sm: "lg" }} isCentered>
-      <ModalOverlay backdropFilter="blur(4px)" />
+      <ModalOverlay backdropFilter={GLASS_BLUR.xs} />
       <ModalContent
         bg={forumColors.background.card}
         borderRadius={{ base: "0", sm: "xl" }}