diff --git a/src/assets/images/footer-bar-btn-icon.png b/src/assets/images/footer-bar-btn-icon.png
index a3f9c02..2e79d1d 100644
Binary files a/src/assets/images/footer-bar-btn-icon.png and b/src/assets/images/footer-bar-btn-icon.png differ
diff --git a/src/assets/images/footer-bar-btn-icon2.png b/src/assets/images/footer-bar-btn-icon2.png
index 4a915f6..38b6858 100644
Binary files a/src/assets/images/footer-bar-btn-icon2.png and b/src/assets/images/footer-bar-btn-icon2.png differ
diff --git a/src/assets/images/footer-bar-btn-icon3.png b/src/assets/images/footer-bar-btn-icon3.png
index 38b6858..cbbbd0d 100644
Binary files a/src/assets/images/footer-bar-btn-icon3.png and b/src/assets/images/footer-bar-btn-icon3.png differ
diff --git a/src/assets/images/footer-bar-btn-icon4.png b/src/assets/images/footer-bar-btn-icon4.png
index 2e79d1d..a3f9c02 100644
Binary files a/src/assets/images/footer-bar-btn-icon4.png and b/src/assets/images/footer-bar-btn-icon4.png differ
diff --git a/src/assets/images/welcome-con-bg.png b/src/assets/images/welcome-con-bg.png
new file mode 100644
index 0000000..839cdd0
Binary files /dev/null and b/src/assets/images/welcome-con-bg.png differ
diff --git a/src/components/chat-new.vue b/src/components/chat-new.vue
index 335b574..e244f25 100644
--- a/src/components/chat-new.vue
+++ b/src/components/chat-new.vue
@@ -731,11 +731,12 @@ watch(
 .chat-new {
   width: 100vw;
   height: 100vh;
-  background-color: #ebf1ff;
-  background-image: url(@/assets/images/chat/chat-bg.png);
-  background-repeat: no-repeat;
-  background-size: 100% 100%;
-  background-position: center center;
+  background: linear-gradient(0deg, #f0f5ff 15%, #d9e4fa 87%, #e8f2ff 93%);
+  // background-color: #ebf1ff;
+  // background-image: url(@/assets/images/chat/chat-bg.png);
+  // background-repeat: no-repeat;
+  // background-size: 100% 100%;
+  // background-position: center center;
   display: flex;
   flex-direction: column;
   padding: 12rem;
diff --git a/src/components/footer-bar-btn.vue b/src/components/footer-bar-btn.vue
index 8c138d6..d7de109 100644
--- a/src/components/footer-bar-btn.vue
+++ b/src/components/footer-bar-btn.vue
@@ -142,8 +142,8 @@ onMounted(() => {
 .footer-items-list {
   display: inline-block;
   font-family: 'SourceHanSansCN-Normal';
-  font-size: 13rem;
-  line-height: 13rem;
+  font-size: 12rem;
+  line-height: 12rem;
   color: #17204D;
   letter-spacing: 0;
   text-align: justify;
diff --git a/src/components/footer-bar-input.vue b/src/components/footer-bar-input.vue
index 848abbb..f08e08c 100644
--- a/src/components/footer-bar-input.vue
+++ b/src/components/footer-bar-input.vue
@@ -867,7 +867,7 @@ watch(sendMessage, (newValue, oldValue) => {
   background: transparent;
   border-radius: 2rem;
   font-family: SourceHanSansCN-Normal;
-  font-size: 14rem;
+  font-size: 12rem;
   color: #333;
   letter-spacing: 0;
   text-align: justify;
diff --git a/src/components/welcomes.vue b/src/components/welcomes.vue
index 0a0e499..b838baa 100644
--- a/src/components/welcomes.vue
+++ b/src/components/welcomes.vue
@@ -32,6 +32,11 @@ onMounted(() => {
 .welcome-con {
   padding: 38rem 8rem;
   position: relative;
+  background-image: url('../assets/images/welcome-con-bg.png');
+  background-repeat: no-repeat;
+  background-size: 100% auto;
+  background-position: 0 30rem;
+
   .welcome-title {
     font-family: PingFang SC;
     max-width: calc(100% - 100rem);