diff --git a/app/integrations/sms/aliyun.py b/app/integrations/sms/aliyun.py
index 1b49842..9cd7be0 100644
--- a/app/integrations/sms/aliyun.py
+++ b/app/integrations/sms/aliyun.py
@@ -35,7 +35,7 @@ _GC_THRESHOLD = 10000                    # 超此阈值,send 时顺手清老于
 
 # 发码错误码 → (HTTP 码, 用户提示)。未列出的一律 503(供应商不可用)。
 _SEND_ERRORS: dict[str, tuple[int, str]] = {
-    "MOBILE_NUMBER_ILLEGAL": (400, "手机号无效"),
+    "MOBILE_NUMBER_ILLEGAL": (400, "请输入有效的手机号"),
     "BUSINESS_LIMIT_CONTROL": (429, "今日发送次数过多,请明天再试"),
     "FREQUENCY_FAIL": (429, "发送过于频繁,请稍后再试"),
 }
diff --git a/app/integrations/sms/chuanglan.py b/app/integrations/sms/chuanglan.py
index c9328aa..b3afd28 100644
--- a/app/integrations/sms/chuanglan.py
+++ b/app/integrations/sms/chuanglan.py
@@ -53,7 +53,7 @@ _GC_THRESHOLD = 10000  # 任一内存 dict 超此阈值,send 时顺手清过期
 # 发码错误码(创蓝 `code`)→ (HTTP 码, 用户提示)。未列出的一律 503(供应商不可用)。
 _SEND_ERRORS: dict[str, tuple[int, str]] = {
     "103": (429, "发送过于频繁，请稍后再试"),   # 提交速度过快
-    "107": (400, "手机号无效"),                 # 手机号码错误
+    "107": (400, "请输入有效的手机号"),                 # 手机号码错误
 }
 # 需运维介入的配置/开通/余额类错误:打 critical 日志(仍归 503)。
 _SEND_CRITICAL_CODES = frozenset({
diff --git a/app/integrations/sms/jiguang.py b/app/integrations/sms/jiguang.py
index 336a141..7406963 100644
--- a/app/integrations/sms/jiguang.py
+++ b/app/integrations/sms/jiguang.py
@@ -185,5 +185,5 @@ def _send_via_jiguang(phone: str, code: str) -> None:
     if ecode == 50009:  # 极光侧超频
         raise SmsError("发送过于频繁,请稍后再试", status_code=429)
     if ecode == 50006:  # 手机号无效(schema 已挡格式,这里多是空号/停机)
-        raise SmsError("手机号无效", status_code=400)
+        raise SmsError("请输入有效的手机号", status_code=400)
     raise SmsError(f"短信发送失败(code={ecode})", status_code=503)