修改

src/components/course/lesson-form.vue

@@ -91,6 +91,10 @@
     display: flex;
     justify-content: space-between;
   }
+  .Show_SignBack{
+    margin:20px;
+    color:#2961FE;
+  }
 </style>
 <template>
   <div v-if="!isShowSign">
@@ -250,7 +254,7 @@
   </div>
   <div v-else>
     <div>
-      <div><i class="iconfont icon-zuo1"></i>返回</div>
+      <div class="Show_SignBack" @click="isShowSign=false"><i class="iconfont icon-zuo1"></i>返回</div>
       <div class="StudentInfo_List">
         <div>
           <div>授课老师</div>
@@ -421,8 +425,9 @@
           if (res.Code == 1) {
             this.isShowMenu = false;
             this.isShowEdit = false;
-            this.getClassPlan();
-
+            var d = new Date(this.value);
+            var datetime = d.getFullYear() + '-' + (d.getMonth() + 1);
+            this.getClassPlan(datetime);
           }
         })
       },