diff --git a/邮件批量发送脚本.py b/邮件批量发送脚本.py
index 34cffad..79290c8 100644
--- a/邮件批量发送脚本.py
+++ b/邮件批量发送脚本.py
@@ -223,22 +223,24 @@ def main():
                 print(f'[信息] 正在发送：{recipient}')
                 click("button[aria-label='Edit copy']")
 
-                # 等待页面加载
                 ready(driver, lambda x: x.find_element(By.CSS_SELECTOR, ".io-ox-busy"))
-
-                wrapper = locate("div.io-ox-mail-compose-window div[data-extension-id='to'] > div.mail-input")
-                to = locate("input.token-input.tt-input[tabindex='0']", parent=wrapper)
+                locate("div.io-ox-mail-compose-window iframe", condition=EC.frame_to_be_available_and_switch_to_it)
+                action = ActionChains(driver).send_keys(Keys.END)
 
                 if name is not None and (name := str(name).strip().title()) and not contains_non_latin_alphabet(name):
                     parts = name.split()
                     firstname = parts[0] if len(parts) == 1 or (len(parts[0]) > 3 and '.' not in parts[0]) else " ".join([parts[0], parts[1]])
-                    
-                    action = ActionChains(driver).send_keys(Keys.END)
+
                     for attempt in range(args.retry): action.perform()
                     ActionChains(driver, 5000).send_keys(Keys.SPACE).send_keys(firstname).perform()
                 if delimiter := str(args.delimiter).strip():
+                    for attempt in range(args.retry): action.perform()
                     ActionChains(driver, 5000).send_keys(delimiter).perform()
 
+                driver.switch_to.default_content()
+                wrapper = locate("div.io-ox-mail-compose-window div[data-extension-id='to'] > div.mail-input")
+                to = locate("input.token-input.tt-input[tabindex='0']", parent=wrapper)
+
                 # 填入收件人
                 click(wrapper)
                 keyin(to, recipient)