diff --git a/src/app/(main)/teampsylog/_components/BottomComment.tsx b/src/app/(main)/teampsylog/_components/BottomComment.tsx
index 3838f9ff..dd6cc829 100644
--- a/src/app/(main)/teampsylog/_components/BottomComment.tsx
+++ b/src/app/(main)/teampsylog/_components/BottomComment.tsx
@@ -10,6 +10,8 @@ interface BottomSheetProps {
 }
 
 const BottomComment = ({ isOpen, onClose, children }: BottomSheetProps) => {
+  const sheetHeight = Math.round(typeof window !== 'undefined' ? window.innerHeight * 0.7 : 500);
+
   const {
     dragCurrentY,
     isDragging,
@@ -20,7 +22,7 @@ const BottomComment = ({ isOpen, onClose, children }: BottomSheetProps) => {
     handleTouchEnd,
     handleClose,
     shouldShow,
-  } = useBottomSheetDrag({ isOpen, onClose });
+  } = useBottomSheetDrag({ isOpen, onClose, sheetHeight });
 
   return (
     <>
@@ -38,8 +40,8 @@ const BottomComment = ({ isOpen, onClose, children }: BottomSheetProps) => {
       <div
         className="desktop:hidden fixed inset-x-0 bottom-0 z-50 rounded-t-2xl bg-gray-200"
         style={{
-          height: '80vh',
-          maxHeight: '80vh',
+          height: '70vh',
+          maxHeight: '70vh',
           transform: isDragging
             ? `translateY(${dragCurrentY}px)`
             : isOpen && !isClosing
diff --git a/src/app/(main)/teampsylog/_components/useBottomSheetDrag.ts b/src/app/(main)/teampsylog/_components/useBottomSheetDrag.ts
index a63978a6..6838d5b6 100644
--- a/src/app/(main)/teampsylog/_components/useBottomSheetDrag.ts
+++ b/src/app/(main)/teampsylog/_components/useBottomSheetDrag.ts
@@ -3,10 +3,12 @@ import { useCallback, useEffect, useRef, useState } from 'react';
 interface UseBottomSheetDragProps {
   isOpen: boolean;
   onClose: () => void;
+  sheetHeight: number;
 }
 
-const useBottomSheetDrag = ({ isOpen, onClose }: UseBottomSheetDragProps) => {
+const useBottomSheetDrag = ({ isOpen, onClose, sheetHeight }: UseBottomSheetDragProps) => {
   const closeTimerRef = useRef<NodeJS.Timeout | null>(null);
+  const closeThreshold = sheetHeight * 0.24;
 
   const [dragStartY, setDragStartY] = useState(0);
   const [dragCurrentY, setDragCurrentY] = useState(0);
@@ -46,14 +48,14 @@ const useBottomSheetDrag = ({ isOpen, onClose }: UseBottomSheetDragProps) => {
 
   const handleMouseUp = useCallback(() => {
     if (!isDragging) return;
-    if (dragCurrentY > 150) {
+    if (dragCurrentY > closeThreshold) {
       handleClose();
       setDragCurrentY(0);
     } else {
       setDragCurrentY(0);
     }
     setIsDragging(false);
-  }, [isDragging, dragCurrentY, handleClose]);
+  }, [isDragging, dragCurrentY, handleClose, closeThreshold]);
 
   const handleTouchStart = (e: React.TouchEvent) => {
     setDragStartY(e.touches[0].clientY);
@@ -65,13 +67,14 @@ const useBottomSheetDrag = ({ isOpen, onClose }: UseBottomSheetDragProps) => {
     const currentY = e.touches[0].clientY;
     const diff = currentY - dragStartY;
     if (diff > 0) {
+      e.preventDefault();
       setDragCurrentY(diff);
     }
   };
 
   const handleTouchEnd = () => {
     if (!isDragging) return;
-    if (dragCurrentY > 150) {
+    if (dragCurrentY > closeThreshold) {
       handleClose();
       setDragCurrentY(0);
     } else {
diff --git a/src/components/common/Footer.tsx b/src/components/common/Footer.tsx
index 3710ed53..6907cb51 100644
--- a/src/components/common/Footer.tsx
+++ b/src/components/common/Footer.tsx
@@ -25,7 +25,7 @@ const Footer = () => {
           </div>
           <div className="flex items-center justify-between px-4">
             <div>
-              <p className="body-11 text-gray-500">Teamficial@gmail.com</p>
+              <p className="body-11 text-gray-500">teamficial25@gmail.com</p>
               <p className="body-11 text-gray-500">© 2025.Teamficial. ALL rights reserved.</p>
             </div>
             <div className="flex gap-2">
@@ -66,12 +66,12 @@ const Footer = () => {
         <div className="flex w-[944px] items-center justify-between">
           <div className="body-6 flex flex-col text-gray-100">
             <Image src="/icons/footer-logo.svg" alt="logo" width={149} height={19} />
-            <p className="pb-1">Teamficial@gmail.com</p>
+            <p className="pb-1">teamficial25@gmail.com</p>
             <p>© 2025.Teamficial. ALL rights reserved.</p>
           </div>
           <div className="flex flex-col justify-end gap-3">
             <div className="flex justify-end gap-3">
-              <a href="mailto:Teamficial@gmail.com" aria-label="이메일 문의">
+              <a href="mailto:teamficial25@gmail.com" aria-label="이메일 문의">
                 <Image src="/icons/mail.svg" alt="mail" width={24} height={24} />
               </a>
               <a