feat: sign add warning

components/signDialog.vue

@@ -2,10 +2,9 @@
   <view v-if="isOpen" class="synchronous-dialog">
     <view class="synchronous-content">
       <view class="row-item">
-        <text class="title"
-          >巡检签字 <text class="tip">请在下方虚线框内进行签字</text></text
-        >
-      </view>
+        <text class="title">巡检签字 <text class="tip">请在下方虚线框内进行签字</text></text>
+				<view class="warning-text">注:签字后巡检内容无法修改，请先检查巡检内容确认无误后签字。</view>
+      </view>
       <view class="operating-instructions"
         ><!-- 签字区域 -->
         <canvas
@@ -214,7 +213,7 @@ export default {
       margin: 0 5px;
     }
   }
-  .synchronous-content {
+  .synchronous-content {
     padding: 25.6px 19.2px;
     width: 800px;
     height: 444.8px;
@@ -230,7 +229,8 @@ export default {
     border-radius: 12px;
     position: relative;
 
-    .row-item {
+    .row-item {
+			position: relative;
       display: flex;
       align-items: center;
       justify-content: center;
@@ -319,5 +319,12 @@ export default {
       }
     }
   }
+}
+.warning-text {
+	position: absolute;
+	bottom: 5px;
+	text-align: center;
+	color: #f44;
+	font-size: 12px;
 }
 </style>