style: adjust margin spacing and fix button text copy

src/components/pptEasyClass/shareDialog.vue

@@ -7,7 +7,7 @@
       v-loading="loading"
     >
       <!-- 分享课程链接 -->
-      <div class="sc_formUrl" v-show="form.shareUrl" style="margin-top: 20px;">
+      <div class="sc_formUrl" v-show="form.shareUrl">
         <!-- <div class="shareTitle">{{ lang.ssShareCourse }}</div> -->
         <el-input
           class="sc_fu_input"
@@ -17,14 +17,14 @@
         >
           <template slot="append"
             ><div class="sc_fu_copyBtn" @click.stop="copyShareUrl()">
-              {{ lang.ssShareCourseLink }}
+              {{ lang.ssShareCourse }}
             </div></template
           >
         </el-input>
         <div class="qrcodeTip">{{ lang.ssShareCourseTip }}</div>
       </div>
       <!-- 授课识别码 -->
-      <div class="sc_formUrl" v-show="form.url">
+      <div class="sc_formUrl" v-show="form.url" style="margin-top: 20px;">
         <el-input
           class="sc_fu_input"
           style="color: black"