diff --git a/app/src/main/java/com/project/survey/ui/login/UpdatePwdActivity.kt b/app/src/main/java/com/project/survey/ui/login/UpdatePwdActivity.kt
index 0dd2ce6..7a7e55d 100644
--- a/app/src/main/java/com/project/survey/ui/login/UpdatePwdActivity.kt
+++ b/app/src/main/java/com/project/survey/ui/login/UpdatePwdActivity.kt
@@ -60,8 +60,25 @@ class UpdatePwdActivity : BaseBindingActivity<ActivityUpdatePwdBinding>() {
                 toast("新密码输入不一致")
                 return@setOnClickNoRepeatListener
             }
+            if (!isValidPassword(newPassword)){
+                toast("密码需包含大写、小写、数字、特殊字符至少3种且长度12位以上")
+                return@setOnClickNoRepeatListener
+            }
             viewModel.updatePassword(oldPassword, newPassword)
         }
     }
 
+    private fun isValidPassword(password: String): Boolean {
+        if (password.length < 12) return false
+
+        val criteriaCount = listOf(
+            Regex(".*[A-Z].*"),  // 大写字母
+            Regex(".*[a-z].*"),  // 小写字母
+            Regex(".*\\d.*"),    // 数字
+            Regex(".*[!@#\$%^&*()_+\\-=\\[\\]{};':\"\\\\|,.<>\\/?].*")  // 特殊字符
+        ).count { it.matches(password) }
+
+        return criteriaCount >= 3
+    }
+
 }
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