diff --git a/public/react/src/modules/page/tpiPage.css b/public/react/src/modules/page/tpiPage.css
index 55e75059d..fe71de64f 100644
--- a/public/react/src/modules/page/tpiPage.css
+++ b/public/react/src/modules/page/tpiPage.css
@@ -13,9 +13,11 @@
     margin-top: -20px;
     margin-left: -17px;
     left: 50%;
-    top: 50%;
+	top: 50%;
+	/* .editormd-preview 有个 z-index 99   某些情况下，被cm盖住了 */
     z-index: 50;
 }
+
 .b-label>.resize-helper button{
     width: 24px;
     height: 24px;
@@ -64,6 +66,7 @@
 		,#game_show_content #tab_con_5 .editormd-preview  {
 	width: 100% !important;
 	height: 100% !important;
+	z-index: 20;
 }
 
 /*  tab 样式覆盖 */