Merge branch 'master' of https://git.cocorobo.cn/CocoRoboLabs/pbl-student-table

src/components/study.vue

@@ -4798,6 +4798,7 @@ export default {
 .iframeCss {
   width: 100%;
   height: 600px;
+  border:1px solid #000;
 }
 .toolTitle {
   margin: 0px 0px 20px;
@@ -5357,9 +5358,9 @@ export default {
   align-items: center;
   color: rgb(255, 255, 255);
   background-image: linear-gradient(
-    to right,
-    rgb(69, 116, 204),
-    rgb(85, 145, 217)
+    90deg,
+    #4574cc,
+    #6eb0ff
   );
   border-radius: 10px;
   margin: 10px 0;