diff --git a/src/global/draw.js b/src/global/draw.js
index 09bf7fc..c38e4a3 100644
--- a/src/global/draw.js
+++ b/src/global/draw.js
@@ -212,7 +212,9 @@ function luckysheetDrawgridRowTitle(scrollHeight, drawHeight, offsetTop) {
     //清除canvas左上角区域 防止列标题栏序列号溢出显示
     // luckysheetTableContent.clearRect(0, 0, Store.rowHeaderWidth , Store.columnHeaderHeight );
 
-    luckysheetTableContent.restore(); 
+    // Must be restored twice, otherwise it will be enlarged under window.devicePixelRatio = 1.5
+    luckysheetTableContent.restore();
+    luckysheetTableContent.restore();
     
 }
 
@@ -408,6 +410,8 @@ function luckysheetDrawgridColumnTitle(scrollWidth, drawWidth, offsetLeft) {
     //清除canvas左上角区域 防止列标题栏序列号溢出显示
     // luckysheetTableContent.clearRect(0, 0, Store.rowHeaderWidth , Store.columnHeaderHeight );
 
+    // Must be restored twice, otherwise it will be enlarged under window.devicePixelRatio = 1.5
+    luckysheetTableContent.restore();
     luckysheetTableContent.restore();
 
 }
diff --git a/src/index.html b/src/index.html
index d463da7..5aa0287 100644
--- a/src/index.html
+++ b/src/index.html
@@ -136,7 +136,7 @@
 							// console.info('cellUpdated',r,c,oldValue, newValue, isRefresh)
 						},
 						sheetActivate:function(index, isPivotInitial, isNewSheet){
-							// console.info(index, isPivotInitial, isNewSheet)
+							console.info('sheetActive-----',index, isPivotInitial, isNewSheet)
 						},
 						rangeSelect:function(index, sheet){
 							// console.info(index, sheet)