diff --git a/Controllers/ApiController.cs b/Controllers/ApiController.cs
index bf304e72..e472033d 100644
--- a/Controllers/ApiController.cs
+++ b/Controllers/ApiController.cs
@@ -518,6 +518,14 @@ namespace QuotationMaker.Controllers
                 saRowIndex--;
             }
 
+            string agent = Request.Headers["User-Agent"].ToString();
+
+            string post_pc = "win";
+
+            if (agent.Contains("Macintosh"))
+            {
+                post_pc = "mac";
+            }
 
             //自适应高度，9代表从第10行开始，表头部分不会多行；endRow是结束的行，也就是有数据内容的行数，毕竟没内容的单元格，也没必要自适应行高
             for (int i = saRowIndex; i < saRowIndex + 3; i++)
@@ -543,7 +551,7 @@ namespace QuotationMaker.Controllers
                         cellWidth += sheet.GetColumnWidth(k);
                     }
 
-                    int cellStringLength = GetCellStringLength(CurCell.StringCellValue);
+                    int cellStringLength = GetCellStringLength(CurCell.StringCellValue, post_pc);
 
                     if (cellStringLength > cellWidth) {
                         double newHg1 = (double)(OldHg * (cellStringLength / cellWidth + 1));
@@ -624,7 +632,7 @@ namespace QuotationMaker.Controllers
 
             string downloadName = objDetail.quotation_name + " 報價單_" + DateTime.Now.ToString("yyyy-MM-dd");
 
-            string agent = Request.Headers["User-Agent"].ToString();
+            
 
             //if (agent.Contains("Macintosh"))
             //{
@@ -647,7 +655,7 @@ namespace QuotationMaker.Controllers
         /// </summary>
         /// <param name="text">待判断字符或字符串</param>
         /// <returns>宽度</returns>
-        public int GetCellStringLength(string text)
+        public int GetCellStringLength(string text, string pc_type)
         {
             //汉字 453、数字和字母 239
             //这里的汉字与字母的宽度值，要根据Excel的字体大小计算
@@ -663,11 +671,26 @@ namespace QuotationMaker.Controllers
                 }
                 else if (t > 127)
                 {
-                    result += 660;
+
+                    if (pc_type == "win")
+                    {
+                        result += 660;
+                    }
+                    else {
+                        result += 760;
+                    }
+                    
                 }
                 else
                 {
-                    result += 370;
+                    if (pc_type == "win")
+                    {
+                        result += 370;
+                    }
+                    else {
+                        result += 440;
+                    }
+                    
                 }
             }
             return result;