diff --git a/core/core-frontend/package.json b/core/core-frontend/package.json
index e710f271fe..82d27937e7 100644
--- a/core/core-frontend/package.json
+++ b/core/core-frontend/package.json
@@ -47,7 +47,7 @@
     "snowflake-id": "^1.1.0",
     "tinymce": "^5.8.2",
     "vant": "^4.8.3",
-    "video.js": "^8.12.0",
+    "video.js": "^7.21.6",
     "vue": "^3.3.4",
     "vue-clipboard3": "^2.0.0",
     "vue-codemirror": "^6.1.1",
diff --git a/core/core-frontend/src/style/index.less b/core/core-frontend/src/style/index.less
index 98f7b43d98..9e585eb051 100644
--- a/core/core-frontend/src/style/index.less
+++ b/core/core-frontend/src/style/index.less
@@ -491,3 +491,8 @@ strong {
     color: var(--deSuccess, #34c724);
   }
 }
+
+.vjs-big-play-button {
+  top: calc(50% - 22px) !important;
+  left: calc(50% - 40px) !important;
+}