diff --git a/ops-center/src/configForm.js b/ops-center/src/configForm.js
index 90dc23e..316b750 100644
--- a/ops-center/src/configForm.js
+++ b/ops-center/src/configForm.js
@@ -284,6 +284,9 @@ export function validateLuckyGiftForm(form) {
     )
         errors.push("等价抽数阶段门槛不正确");
 
+    const jackpotMultipliers =
+        form.strategy_version === DYNAMIC_STRATEGY ? new Set(multiplierListFromForm(form.jackpot_multipliers)) : null;
+
     // 阶段概率与 RTP 是两代策略共用的 owner 校验，fixed_v2 也不能跳过。
     for (const stageKey of ["novice", "normal", "advanced"]) {
         const stage = form.stages?.find((item) => item.stage === stageKey);
@@ -302,6 +305,19 @@ export function validateLuckyGiftForm(form) {
             errors.push(`${stageLabel(stageKey)}启用奖档概率必须大于 0`);
         if (enabled.some((tier) => Number(tier.multiplier) >= 10 && !tier.highWaterOnly))
             errors.push(`${stageLabel(stageKey)}10x 及以上奖档必须限制为高水位`);
+        const jackpotStageMultipliers =
+            jackpotMultipliers &&
+            enabled
+                .filter(
+                    (tier) =>
+                        jackpotMultipliers.has(numberFromForm(tier.multiplier)) &&
+                        percentToPPM(tier.probabilityPercent) > 0,
+                )
+                .map((tier) => formatDecimal(numberFromForm(tier.multiplier)));
+        if (jackpotStageMultipliers?.length) {
+            // dynamic_v3 的大奖倍率只能走大奖补偿路径；普通阶段再给正概率会绕过 owner 的双 RTP 门槛。
+            errors.push(`${stageLabel(stageKey)}普通奖档不能包含大奖倍率：${unique(jackpotStageMultipliers).join("x、")}x`);
+        }
         const expected = expectedRTPPercent(enabled, { multiplier: (item) => item.multiplier });
         if (
             expected < number("target_rtp_percent") - number("control_band_percent") ||
@@ -333,11 +349,11 @@ export function validateLuckyGiftForm(form) {
     const jackpotTokens = String(form.jackpot_multipliers || "")
         .split(/[,，\s]+/)
         .filter(Boolean);
-    const jackpotMultipliers = multiplierListFromForm(form.jackpot_multipliers);
+    const jackpotMultiplierValues = multiplierListFromForm(form.jackpot_multipliers);
     if (
-        jackpotTokens.length !== jackpotMultipliers.length ||
-        !jackpotMultipliers.length ||
-        jackpotMultipliers.some((value, index) => value <= 1 || (index > 0 && value <= jackpotMultipliers[index - 1]))
+        jackpotTokens.length !== jackpotMultiplierValues.length ||
+        !jackpotMultiplierValues.length ||
+        jackpotMultiplierValues.some((value, index) => value <= 1 || (index > 0 && value <= jackpotMultiplierValues[index - 1]))
     ) {
         errors.push("大奖倍率必须大于 1x 并严格递增");
     }
diff --git a/ops-center/src/configForm.test.js b/ops-center/src/configForm.test.js
index 971a489..1c302dd 100644
--- a/ops-center/src/configForm.test.js
+++ b/ops-center/src/configForm.test.js
@@ -70,7 +70,6 @@ describe("ops center lucky gift dynamic_v3 form", () => {
         const enabled = { ...draft, enabled: true };
         const errors = validateLuckyGiftForm(enabled);
 
-        expect(errors).toContain("启用前必须填写用户日累计消费触发门槛（金币）");
         expect(errors).toContain("启用前普通阶段至少一个最低充值门槛必须大于 0");
         expect(errors).toContain("高阶充值门槛必须逐维不低于正常阶段且至少一项更高");
         expect(errors).toContain("启用前必须填写单次返奖上限");
@@ -151,6 +150,32 @@ describe("ops center lucky gift dynamic_v3 form", () => {
         expect(errors).toContain("单次返奖上限不能小于 0");
         expect(errors).toContain("充值阶段门槛不能小于 0");
     });
+
+    test("rejects jackpot multipliers that still have ordinary stage probability", () => {
+        const form = configToForm(completeDynamicConfig());
+        const errors = validateLuckyGiftForm({
+            ...form,
+            stages: form.stages.map((stage) =>
+                stage.stage === "normal"
+                    ? {
+                          ...stage,
+                          tiers: [
+                              ...stage.tiers,
+                              {
+                                  enabled: true,
+                                  highWaterOnly: true,
+                                  multiplier: "200",
+                                  probabilityPercent: "0.01",
+                                  tierId: "normal_200x",
+                              },
+                          ],
+                      }
+                    : stage,
+            ),
+        });
+
+        expect(errors).toContain("正常阶段普通奖档不能包含大奖倍率：200x");
+    });
 });
 
 function completeDynamicConfig() {