diff --git a/src/global/formula.js b/src/global/formula.js
index 0ffcf3078..61f0929f2 100644
--- a/src/global/formula.js
+++ b/src/global/formula.js
@@ -334,7 +334,7 @@ const luckysheetformula = {
         let value = "";
         // && d[r][c].v != null
         if (d[r] != null && d[r][c] != null) {
-            let cell = d[r][c];
+            let cell = $.extend(true, {}, d[r][c]);
 
             if(isInlineStringCell(cell)){
                 value = getInlineStringNoStyle(r, c);
@@ -1339,7 +1339,7 @@ const luckysheetformula = {
                 if(getObjType(value) == "string" && value.slice(0, 1) == "=" && value.length > 1){
                     let v = _this.execfunction(value, r, c, undefined, true);
                     isRunExecFunction = false;
-                    curv = d[r][c];
+                    curv = $.extend(true, {}, d[r][c]);
                     curv.v = v[1];
                     curv.f = v[2];
 
@@ -1370,7 +1370,7 @@ const luckysheetformula = {
                         isRunExecFunction = false;
                         // get v/m/ct
 
-                        curv = d[r][c];
+                        curv = $.extend(true, {}, d[r][c]);
                         curv.v = v[1];
                         curv.f = v[2];
         
@@ -1438,7 +1438,7 @@ const luckysheetformula = {
                     _this.execFunctionGroup(r, c, value);
                     isRunExecFunction = false;
 
-                    curv = d[r][c];
+                    curv = $.extend(true, {}, d[r][c]);
                     // let gd = _this.execFunctionGlobalData[r+"_"+c+"_"+Store.currentSheetIndex];
                     // if(gd!=null){
                     //     curv.v = gd.v;
diff --git a/src/global/func_methods.js b/src/global/func_methods.js
index beebf77fd..bc77d14f4 100644
--- a/src/global/func_methods.js
+++ b/src/global/func_methods.js
@@ -22,37 +22,40 @@ const func_methods = {
 
         if(rangeObj.data == null){
             if(!isNeglectNullCell){
-                if(nullCellType == "number"){
+                if(nullCellType === "number"){
                     dataArr.push(0);
                 }
-                else if(nullCellType == "text"){
+                else if(nullCellType === "text"){
                     dataArr.push("");
                 }
             }
         }
         else{
-            if(getObjType(rangeObj.data) == "array"){
+            if(getObjType(rangeObj.data) === "array"){
                 for(let i = 0; i < rangeObj.data.length; i++){
                     for(let j = 0; j < rangeObj.data[i].length; j++){
-                        if(rangeObj.data[i][j] != null){
-                            let datav = rangeObj.data[i][j];
-                            if(datav instanceof Object){
-                                dataArr.push(datav.v);
-                            }
-                            else{
-                                dataArr.push(datav);
-                            }
+                        let cell = rangeObj.data[i][j];
+                        let value = cell
+
+                        if(getObjType(cell) === 'object'){
+                            value = cell.v
                         }
-                        else{
+
+                        if(value == null ){
                             if(!isNeglectNullCell){
-                                if(nullCellType == "number"){
-                                    dataArr.push(0);
+                                if(nullCellType === "number"){
+                                    value = 0;
                                 }
-                                else if(nullCellType == "text"){
-                                    dataArr.push("");
+                                else if(nullCellType === "text"){
+                                    value = '';
                                 }
+
+                                dataArr.push(value);
                             }
                         }
+                        else{
+                            dataArr.push(value);
+                        }
                     }
                 }
             }
@@ -97,23 +100,19 @@ const func_methods = {
                     let rowArr = [];
 
                     for(let j = 0; j < rangeObj.data[i].length; j++){
-                        let value;
+                        let cell = rangeObj.data[i][j];
+                        let value = cell;
 
-                        if(rangeObj.data[i][j] != null){
-                            let datav = rangeObj.data[i][j];
-                            if(datav instanceof Object){
-                                value = datav.v;
-                            }
-                            else{
-                                value = datav;
-                            }
+                        if(getObjType(cell) === 'object'){
+                            value = cell.v
                         }
-                        else{
-                            if(nullCellType == "number"){
+
+                        if(value == null){
+                            if(nullCellType === "number"){
                                 value = 0;
                             }
-                            else if(nullCellType == "text"){
-                                value = "";
+                            else if(nullCellType === "text"){
+                                value = '';
                             }
                         }
 
diff --git a/src/global/setdata.js b/src/global/setdata.js
index 2f968a15e..13f38135e 100644
--- a/src/global/setdata.js
+++ b/src/global/setdata.js
@@ -10,7 +10,7 @@ function setcellvalue(r, c, d, v) {
     if(d == null){
         d = Store.flowdata;
     }
-    let cell = d[r][c];
+    let cell = $.extend(true, {}, d[r][c]);
 
     let vupdate;