diff --git a/app/Services/DoctorAccountService.php b/app/Services/DoctorAccountService.php
index e5597a6..83f1215 100644
--- a/app/Services/DoctorAccountService.php
+++ b/app/Services/DoctorAccountService.php
@@ -535,10 +535,10 @@ class DoctorAccountService extends BaseService
 
     /**
      * 计算个人所得税
-     * @param string|int $income
-     * @return float|int
+     * @param string|float $income
+     * @return float
      */
-    protected function computeIndividualIncomeTax(string|int $income): float|int
+    protected function computeIndividualIncomeTax(string|float $income): float
     {
         if ($income <= 800) {
             return 0;