diff --git a/src/assets/img/leftBg.png b/src/assets/img/leftBg.png
new file mode 100644
index 0000000..a0d755b
Binary files /dev/null and b/src/assets/img/leftBg.png differ
diff --git a/src/components/GlobalComponent/breadcrumb.less b/src/components/GlobalComponent/breadcrumb.less
index 5695a96..61da2e6 100644
--- a/src/components/GlobalComponent/breadcrumb.less
+++ b/src/components/GlobalComponent/breadcrumb.less
@@ -12,6 +12,11 @@
   flex-wrap: nowrap;
   justify-content: flex-start;
   box-sizing: border-box;
+  //border: 1px solid;
+  //border-top-right-radius: 8px;
+  //border-image-source: linear-gradient(96.54deg, #FFFFFF -0.94%, rgba(255, 255, 255, 0) 25.28%, rgba(167, 229, 228, 0) 59.69%, #A7E5E4 79.76%) ;
+  //border-image-slice: 1; /* 这个很重要！ */
+
 }
 
 // 面包屑容器滚动条样式
@@ -47,11 +52,11 @@
 .breadcrumb-item {
   height: 32px;
   padding: 0 12px;
-  border-radius: 8px;
+  //border-radius: 8px;
   // 使用rgba格式设置带透明度的背景色，最后一个参数0.13表示13%的透明度
-  background-color: rgba(186, 186, 186, 0.13);
+  background-color: #E5F3F1;
   // border: 1px solid #E8E8E8;
-  margin-right: 8px;
+  margin-right: 10px;
   display: flex;
   align-items: center;
   transition: all 0.3s ease;
@@ -60,8 +65,13 @@
   overflow: hidden;
   text-overflow: ellipsis;
   max-width: 180px;
-  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.04);
+  //box-shadow: 0 2px 4px rgba(0, 0, 0, 0.04);
   box-sizing: border-box;
+  border-top-right-radius: 8px;
+  border-image-source: linear-gradient(96.54deg, #FFFFFF -0.94%, rgba(255, 255, 255, 0) 25.28%, rgba(167, 229, 228, 0) 59.69%, #A7E5E4 79.76%) ;
+  border-image-slice: 1;
+  backdrop-filter: blur(3.4000000953674316px);
+  box-shadow: 1px 2px 5px 0 #00666540;
 
   // 移除默认的分隔符
   .ant-breadcrumb-separator {
@@ -73,8 +83,8 @@
     display: flex;
     align-items: center;
     height: 100%;
-    color: #808080 !important;
-    background: transparent !important;
+    color: #999999 !important;
+    background: #E5F3F1 !important;
     padding: 0;
     margin: 0;
     overflow: hidden;
@@ -84,26 +94,26 @@
 
   // 悬停效果
   &:hover {
-    border-color: #0056FF;
+    border-color: #D6F5F0;
     // transform: translateY(-1px);
-    box-shadow: 0 4px 8px rgba(0, 86, 255, 0.1);
+    box-shadow: 1px 2px 5px 0 #00666599;
   }
 }
 
 // 面包屑项选中状态样式
 .breadcrumb-item-active {
-  background-color: rgba(94, 121, 246, 0.13);
+  background-color: #D5F5F0;
   // border-color: #0056FF;
 
   .ant-breadcrumb-link {
-    color: #0056FF !important;
+    color: #1A7876 !important;
     font-weight: 500;
   }
 }
 
 // 面包屑文本选中状态样式 - 对应第252行代码中的条件样式
 .breadcrumb-item-text-active {
-  color: #0056FF !important;
+  color: #1A7876 !important;
   font-weight: 500;
 }
 
@@ -128,7 +138,7 @@
   flex: 1;
 
   .breadcrumb-item-text-active {
-    color: #0056FF !important;
+    color: #1A7876 !important;
   }
 }
 
@@ -145,20 +155,20 @@
   flex-shrink: 0;
 
   &:hover {
-    color: #0056FF;
+    color: #1A7876;
   }
 }
 
 // 确保所有面包屑链接样式一致
 .ant-breadcrumb-link {
-  color: #808080 !important;
+  color: #999999 !important;
   transition: color 0.3s ease;
 }
 
 .ant-breadcrumb-link:hover {
-  color: #0056FF !important;
+  color: #1A7876 !important;
 }
 
 .ant-breadcrumb-item-active .ant-breadcrumb-link {
-  color: #0056FF !important;
-}
\ No newline at end of file
+  color: #1A7876 !important;
+}
diff --git a/src/pages/nav_system_content/SystemContentList.less b/src/pages/nav_system_content/SystemContentList.less
index 4019b6c..846169e 100644
--- a/src/pages/nav_system_content/SystemContentList.less
+++ b/src/pages/nav_system_content/SystemContentList.less
@@ -6,7 +6,7 @@
 	// padding: 12px;
 
 	.tabBarHeader {
-		background-color: #fff;
+		background-color: #F0F7F7;
 		padding: 0;
 		width: 100%;
 		min-height: 62px;
@@ -31,6 +31,7 @@
 
 				.leftMenu {
 					width: calc(100% - 52px);
+
 				}
 			}
 
@@ -77,11 +78,14 @@
 		width: 230px;
 		overflow-y: auto;
 		overflow-x: hidden;
-		background-color: #2E4CD4;
-
+		//background-color: #006665;
+		background-image: url("@/assets/img/leftBg.png");
+		background-size: cover;
+		background-position: center;
+		background-repeat: no-repeat;
 		.ant-menu-inline,
 		.ant-menu-vertical {
-			background: #2E4CD4 !important;
+			background: #006665 !important;
 		}
 
 		// 默认情况字体样式和右边距
@@ -133,4 +137,4 @@
 		// height: 100%;
 		overflow: auto;
 	}
-}
\ No newline at end of file
+}