style: 调整首页username验证通过icon样式

src/views/Login/src/loginView.vue

@@ -392,7 +392,11 @@ const firstLoginTipsRef = ref()
             <span class="font_family icon-icon_username_b"></span>
           </template>
           <template #suffix>
-            <span v-if="isUserNameExit" class="font_family icon-icon_confirm_b confirm-icon"></span>
+            <span
+              v-if="isUserNameExit"
+              class="font_family icon-icon_confirm_b confirm-icon"
+              style="padding-top: 1px"
+            ></span>
           </template>
         </el-input>
         <div class="error" v-if="loginError.username">This account does not exist.</div>
@@ -450,7 +454,11 @@ const firstLoginTipsRef = ref()
             <span class="font_family icon-icon_username_b"></span>
           </template>
           <template #suffix>
-            <span v-if="isUserNameExit" class="font_family icon-icon_confirm_b confirm-icon"></span>
+            <span
+              v-if="isUserNameExit"
+              class="font_family icon-icon_confirm_b confirm-icon"
+              style="padding-top: 1px"
+            ></span>
           </template>
         </el-input>
         <div class="error" v-if="loginError.username">This account does not exist</div>