diff --git a/internal/provider/nezha/nezha.go b/internal/provider/nezha/nezha.go
index 4becc3a..ed610b1 100644
--- a/internal/provider/nezha/nezha.go
+++ b/internal/provider/nezha/nezha.go
@@ -183,14 +183,15 @@ func (p *Provider) Create(ctx context.Context, req provider.CreateRequest) (*pro
 	}, nil
 }
 
-// isCreateSuccess 判定 /api/pay/create 响应的 code 是否表示成功:JSON 数字解出来是
+// isCreateSuccess 判定 /api/pay/create 响应的 code 是否表示成功:真实哪吒 create 成功返回
+// code=0 msg=success(与 query 一致),而非 code=1(经生产联调实测更正)。JSON 数字解出来是
 // float64,兼容个别实现把 code 当字符串返回。
 func isCreateSuccess(raw map[string]any) bool {
 	switch v := raw["code"].(type) {
 	case float64:
-		return v == 1
+		return v == 0
 	case string:
-		return v == "1"
+		return v == "0"
 	default:
 		return false
 	}
diff --git a/internal/provider/nezha/nezha_test.go b/internal/provider/nezha/nezha_test.go
index bf8c2fa..649a14c 100644
--- a/internal/provider/nezha/nezha_test.go
+++ b/internal/provider/nezha/nezha_test.go
@@ -188,7 +188,7 @@ func TestCreateRedirect(t *testing.T) {
 			t.Fatalf("content-type = %q", got)
 		}
 		resp := map[string]any{
-			"code": float64(1), "msg": "success",
+			"code": float64(0), "msg": "success",
 			"trade_no": "NZ2026071100001", "out_trade_no": gotForm.Get("out_trade_no"),
 			"pay_type": gotForm.Get("type"), "payurl": "https://nzzf.org/pay/checkout/abc",
 			"qrcode": "", "timestamp": strconv.FormatInt(time.Now().Unix(), 10),
@@ -249,7 +249,7 @@ func TestCreateQRWithExplicitType(t *testing.T) {
 		_ = r.ParseForm()
 		gotForm = r.Form
 		resp := map[string]any{
-			"code": float64(1), "msg": "success",
+			"code": float64(0), "msg": "success",
 			"trade_no": "NZ-QR-1", "out_trade_no": gotForm.Get("out_trade_no"),
 			"pay_type": gotForm.Get("type"), "payurl": "",
 			"qrcode": "weixin://wxpay/bizpayurl?pr=abc123", "timestamp": strconv.FormatInt(time.Now().Unix(), 10),
@@ -294,7 +294,7 @@ func TestCreateQRAutoSelectedWhenNoPayURL(t *testing.T) {
 	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		_ = r.ParseForm()
 		resp := map[string]any{
-			"code": float64(1), "msg": "success", "trade_no": "NZ-AUTO-QR",
+			"code": float64(0), "msg": "success", "trade_no": "NZ-AUTO-QR",
 			"payurl": "", "qrcode": "https://qr.example/abc",
 			"timestamp": strconv.FormatInt(time.Now().Unix(), 10), "sign_type": "RSA",
 		}
@@ -350,7 +350,7 @@ func TestCreateResponseBadSignRejected(t *testing.T) {
 
 	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		resp := map[string]any{
-			"code": float64(1), "msg": "success", "trade_no": "NZ-EVIL",
+			"code": float64(0), "msg": "success", "trade_no": "NZ-EVIL",
 			"payurl": "https://evil.example/pay", "timestamp": strconv.FormatInt(time.Now().Unix(), 10),
 			"sign_type": "RSA",
 		}