diff --git a/index.html b/index.html
index a2ccb7f..3ad8c7f 100644
--- a/index.html
+++ b/index.html
@@ -150,6 +150,12 @@
                     <option value="">&nbsp;</option>
                 </select>
             </div>
+            <div class="pure-u-1 pure-u-md-1-3">
+                <label for="column_vars">Variables</label>
+                <select id="column_vars" class="columns pure-u-23-24">
+                    <option value="">&nbsp;</option>
+                </select>
+            </div>
         </div>
     </fieldset>
     <br>
diff --git a/main.py b/main.py
index 75c1d43..1186fee 100644
--- a/main.py
+++ b/main.py
@@ -37,6 +37,7 @@ parser.add_argument('--column-name', type=str, default='主要联系人')
 parser.add_argument('--column-code', type=str, default='客户编号')
 parser.add_argument('--column-pays', type=str, default='国家地区')
 parser.add_argument('--column-sent', type=str, default='已发送')
+parser.add_argument('--column-vars', type=str, default='变量值')
 parser.add_argument('-a', '--address', type=str)
 parser.add_argument('-p', '--password', type=str)
 parser.add_argument('-t', '--timeout', type=int, default=60)
@@ -278,6 +279,7 @@ def main(driver: WebDriver):
             cc = parameters.get('column_code')
             cs = parameters.get('column_sent')
             cp = parameters.get('column_pays')
+            cv = parameters.get('column_vars')
 
             if parameters.get('slice'):
                 if subcategory := parameters.get('subcategory'):
@@ -298,11 +300,6 @@ def main(driver: WebDriver):
             if cs not in frame:
                 frame[cs] = None
 
-            seriesdict = frame.iloc[index].to_dict(orient='list')
-            recipients = seriesdict.get(ca, [None] * limit)
-            names = seriesdict.get(cn, [None] * limit)
-            codes = seriesdict.get(cc, [None] * limit)
-
             rate = 60 / parameters.get('interval')
             length = limit - frame.loc[index, cs].count()
 
@@ -340,12 +337,11 @@ def main(driver: WebDriver):
             current = cursor
             cursor += 1
 
-            name = names[current]
-            code = codes[current]
             axis = index[current]
-
+            name = dict(frame.iloc[axis]).get(cn)
+            code = dict(frame.iloc[axis]).get(cc)
+            recipient = str(frame.loc[axis, ca]).strip()
             occurrence = pandas.Series.count(frame[frame[cc] == code][cs]) if code is not None else 0
-            recipient = str(recipients[current]).strip()
 
             if (remarks := frame.loc[axis, cs]) is not None and str(remarks).strip():
                 tell(f'已跳过项目 {recipient}')
@@ -430,6 +426,19 @@ def main(driver: WebDriver):
                     click(wrapper)
                     to.send_keys(recipient + Keys.ENTER)
 
+                    # 引入变量值
+                    if cv in frame and (variables := frame.loc[axis, cv]):
+                        clean = False
+                        target = locate("div.io-ox-mail-compose-window div[data-extension-id='subject'] input")
+                        attribute = target.get_attribute('value')
+
+                        for i, value in enumerate(str(variables).split(',')):
+                            attribute = attribute.replace(f'$${i}', value.strip())
+
+                        target.send_keys(Keys.BACKSPACE * len(attribute))
+                        target.send_keys(attribute)
+                        clean = target.get_attribute('value') == attribute
+
                     token = locate("div.io-ox-mail-compose-window .mail-input .tokenfield .token")
                     target = token.get_attribute('innerText').strip()