diff --git a/src/global/getRowlen.js b/src/global/getRowlen.js
index 0e64c1056..68c234ae1 100644
--- a/src/global/getRowlen.js
+++ b/src/global/getRowlen.js
@@ -196,8 +196,8 @@ function getMeasureText(value, ctx, fontset){
         }
 
         let measureText = ctx.measureText(value), cache = {};
-        var regu = "^[ ]+$";
-        var re = new RegExp(regu);
+        // var regu = "^[ ]+$";
+        // var re = new RegExp(regu);
         // if(measureText.actualBoundingBoxRight==null || re.test(value)){
         //     cache.width = measureText.width;
         // }
@@ -235,6 +235,37 @@ function getMeasureText(value, ctx, fontset){
 
             //console.log(value, oneLineTextHeight, measureText.actualBoundingBoxDescent+measureText.actualBoundingBoxAscent,ctx.font);
         }
+
+        if(ctx.textBaseline == 'alphabetic'){
+            let descText = "gjpqy", matchText="abcdABCD";
+            let descTextMeasure = Store.measureTextCache[descText + "_" + ctx.font];
+            if(fontset!=null){
+                descTextMeasure = Store.measureTextCache[descText + "_" + fontset];
+            }
+
+            let matchTextMeasure = Store.measureTextCache[matchText + "_" + ctx.font];
+            if(fontset!=null){
+                matchTextMeasure = Store.measureTextCache[matchText + "_" + fontset];
+            }
+
+            if(descTextMeasure == null){
+                descTextMeasure = ctx.measureText(descText);
+            }
+
+            if(matchTextMeasure == null){
+                matchTextMeasure = ctx.measureText(matchText);
+            }
+
+            if(cache.actualBoundingBoxDescent<=matchTextMeasure.actualBoundingBoxDescent){
+                cache.actualBoundingBoxDescent = descTextMeasure.actualBoundingBoxDescent;
+                if(cache.actualBoundingBoxDescent==null){
+                    cache.actualBoundingBoxDescent = 0;
+                }
+            }
+
+
+        }
+
         cache.width *= Store.zoomRatio;
         cache.actualBoundingBoxDescent *= Store.zoomRatio;
         cache.actualBoundingBoxAscent *= Store.zoomRatio;
diff --git a/src/index.html b/src/index.html
index 40d0a5f08..b75dec27c 100644
--- a/src/index.html
+++ b/src/index.html
@@ -97,6 +97,15 @@
 				},
 				data: 
 				[sheetCell,sheetFormula,sheetConditionFormat,sheetSparkline,sheetTable,sheetComment,sheetPivotTableData,sheetPivotTable,sheetChart,sheetPicture,sheetDataVerification]
+				/*[{
+					"index": "0",
+					"zoomRatio": 1,
+					"order": "0",
+					"column": 3,
+					"row": 4,
+					"status": 1,
+					celldata:[{"r":0,"c":0,"v":{"bg":null,"bl":0,"it":0,"ff":0,"fs":11,"fc":"rgb(51, 51, 51)","ht":1,"vt":1,"v":1,"ct":{"fa":"General","t":"n"},"m":"1"}},{"r":0,"c":1,"v":{"bg":null,"bl":0,"it":0,"ff":0,"fs":11,"fc":"rgb(51, 51, 51)","ht":1,"vt":1,"v":2,"ct":{"fa":"General","t":"n"},"m":"2"}}]
+				}]*/
 				/*[{"name":"Sheet1","config":{"columnlen":{"0":241},"rowlen":{"0":81}},"index":"1","status":"1","order":"0","luckysheet_select_save":[{"row":[0,0],"column":[4,4],"sheetIndex":1}],"zoomRatio":1,"showGridLines":"1","defaultColWidth":72,"defaultRowHeight":18,"celldata":[
 					{"r":0,"c":0,
 						"v":{