diff --git a/.env b/.env
index 584432c..7e3fd98 100644
--- a/.env
+++ b/.env
@@ -1,5 +1,5 @@
 VITE_AGV_DEVICE_ID = 'agv_src2200'
 VITE_ARM_DEVICE_ID = 'huayan_arm'
-// 机械臂IP 192.168.1.109:50052
+# 机械臂IP 192.168.1.109:50052
 
 VITE_SERVICE_PORT = 5175
\ No newline at end of file
diff --git a/src/views/arm/MechanicalArm.vue b/src/views/arm/MechanicalArm.vue
index 0948d29..232164a 100644
--- a/src/views/arm/MechanicalArm.vue
+++ b/src/views/arm/MechanicalArm.vue
@@ -293,7 +293,7 @@ const getJointState = async (robot) => {
         const names = res.data.name
         const positions = res.data.position
         names.forEach((name, index) => {
-          urdfViewerRef.value.updateJoint(jointNamsMap[name] || name, positions[index])
+          urdfViewerRef.value.updateJoint(jointNamsMap[name] || name, positions[index].toFixed(3))
         })
       }, 500)
     } else {
@@ -498,6 +498,23 @@ onUnmounted(() => {
             width: 50px;
             text-align: right;
           }
+
+          :deep(.el-input-group__prepend) {
+            background: #080b10;
+            border-right: 0px;
+            box-shadow: 0 0 0 1px #272727 inset;
+          }
+
+          :deep(.el-input-group__append) {
+            background: #080b10;
+            border-left: 0px;
+            box-shadow: 0 0 0 1px #272727 inset;
+          }
+
+          :deep(.el-input__wrapper) {
+            background-color: #0e0e0e;
+            box-shadow: 0 0 0 1px #272727 inset;
+          }
         }
       }
 
diff --git a/vite.config.js b/vite.config.js
index 3991c85..5f2753e 100644
--- a/vite.config.js
+++ b/vite.config.js
@@ -8,7 +8,7 @@ import path from 'path'
 // https://vite.dev/config/
 export default defineConfig(({ mode, command }) => {
   const env = loadEnv(mode, process.cwd())
-  const { VITE_SERVICE_PORT } = env
+  const servicePort = env.VITE_SERVICE_PORT || 300
   return {
     resolve: {
       alias: {
@@ -35,7 +35,7 @@ export default defineConfig(({ mode, command }) => {
       port: 5173,
       proxy: {
         '/api': {
-          target: `http://localhost:${VITE_SERVICE_PORT}`,
+          target: `http://localhost:${servicePort}`,
           changeOrigin: true
         }
       }