diff --git a/main.pyw b/main.pyw
index de6502e..c594ead 100644
--- a/main.pyw
+++ b/main.pyw
@@ -189,7 +189,7 @@ def main(driver: WebDriver):
         try:
             if not driver.find_element(By.CSS_SELECTOR, "#background-loader").is_displayed():
                 tell('正在登陆')
-                click("#io-ox-topbar-account-dropdown-icon button.dropdown-toggle")
+                click("#io-ox-topbar-account-dropdown-icon button.dropdown-toggle", condition=EC.presence_of_element_located)
                 address = locate("#topbar-account-dropdown .mail").get_attribute('innerText')
                 person = HumanName(address.split('@', 2)[0])
                 person.capitalize(force=True)