diff --git a/tools/excel2lua/convertor.lua b/tools/excel2lua/convertor.lua
index 6c433b80..63ac2ea4 100644
--- a/tools/excel2lua/convertor.lua
+++ b/tools/excel2lua/convertor.lua
@@ -301,17 +301,20 @@ end
 
 local function find_sheet_data_struct(sheet)
     local header = {}
-    local field_type = {}
+    local field_types = {}
     if not head_line then
         head_line = start_line - 1
     end
     for col = sheet.first_col, sheet.last_col do
         -- 读取类型行，作为筛选条件
-        field_type[col] = get_sheet_value(sheet, type_line, col)
+        local field_type = get_sheet_value(sheet, type_line, col)
+        if field_type and field_type ~= "" then
+            field_types[col] = get_sheet_value(sheet, type_line, col)
+        end
         -- 读取第四行作为表头
         header[col] = get_sheet_value(sheet, head_line, col)
     end
-    return header, field_type
+    return header, field_types
 end
 
 --导出到目标文件