diff --git a/internal/integration/java.go b/internal/integration/java.go
index 6a1d2a3..849b0c3 100644
--- a/internal/integration/java.go
+++ b/internal/integration/java.go
@@ -759,10 +759,36 @@ func (c *Client) FindRewardGroupDetail(ctx context.Context, sysOrigin string, na
 	if groupName == "" {
 		return RewardGroupDetail{}, fmt.Errorf("reward group name is empty")
 	}
-	if detail, err := c.findInnerRewardGroupDetail(ctx, sysOrigin, groupName); err == nil && rewardGroupDetailHasContent(detail) {
+	if detail, err := c.findInnerRewardGroupDetail(ctx, sysOrigin, groupName); err == nil {
+		if hydrated, hydrateErr := c.hydrateRewardGroupDetail(ctx, detail); hydrateErr == nil && rewardGroupDetailHasContent(hydrated) {
+			return hydrated, nil
+		}
+		if rewardGroupDetailHasContent(detail) {
+			return detail, nil
+		}
+	}
+	detail, err := c.findConsoleRewardGroupDetail(ctx, sysOrigin, groupName)
+	if err != nil {
+		return RewardGroupDetail{}, err
+	}
+	if hydrated, hydrateErr := c.hydrateRewardGroupDetail(ctx, detail); hydrateErr == nil && rewardGroupDetailHasContent(hydrated) {
+		return hydrated, nil
+	}
+	return detail, nil
+}
+
+func (c *Client) hydrateRewardGroupDetail(ctx context.Context, detail RewardGroupDetail) (RewardGroupDetail, error) {
+	if rewardGroupDetailHasContent(detail) {
 		return detail, nil
 	}
-	return c.findConsoleRewardGroupDetail(ctx, sysOrigin, groupName)
+	groupID := int64(detail.ID)
+	if groupID <= 0 {
+		return detail, fmt.Errorf("empty reward group id")
+	}
+	if hydrated, err := c.getInnerRewardGroupDetail(ctx, groupID); err == nil && rewardGroupDetailHasContent(hydrated) {
+		return hydrated, nil
+	}
+	return c.getConsoleRewardGroupDetail(ctx, groupID)
 }
 
 func (c *Client) findInnerRewardGroupDetail(ctx context.Context, sysOrigin string, name string) (RewardGroupDetail, error) {
@@ -818,7 +844,7 @@ func pickRewardGroupDetailByName(records []RewardGroupDetail, name string) (Rewa
 	}
 	target := strings.TrimSpace(name)
 	for _, record := range records {
-		if strings.TrimSpace(record.Name) == target && rewardGroupDetailHasContent(record) {
+		if strings.TrimSpace(record.Name) == target {
 			return record, nil
 		}
 	}
diff --git a/internal/integration/java_test.go b/internal/integration/java_test.go
index 5b558f8..4eb06b4 100644
--- a/internal/integration/java_test.go
+++ b/internal/integration/java_test.go
@@ -140,3 +140,42 @@ func TestGetRewardGroupDetailFallsBackToConsoleEndpoint(t *testing.T) {
 		t.Fatalf("detail = %+v, want fallback reward item", got)
 	}
 }
+
+func TestFindRewardGroupDetailHydratesPageRecord(t *testing.T) {
+	groupID := int64(2056980937278816399)
+	var pageCalls, detailCalls int
+	mux := http.NewServeMux()
+	mux.HandleFunc("/props-activity/reward/group/client/page", func(w http.ResponseWriter, r *http.Request) {
+		pageCalls++
+		if r.Method != http.MethodPost {
+			t.Fatalf("method = %s, want POST", r.Method)
+		}
+		w.Header().Set("Content-Type", "application/json")
+		_, _ = w.Write([]byte(`{"body":{"records":[{"id":"2056980937278816399","name":"累充活动$100","rewardConfigList":[]}]}}`))
+	})
+	mux.HandleFunc("/props-activity/reward/group/client/getByGroupId", func(w http.ResponseWriter, r *http.Request) {
+		detailCalls++
+		if r.URL.Query().Get("id") != "2056980937278816399" {
+			t.Fatalf("id query = %q", r.URL.Query().Get("id"))
+		}
+		w.Header().Set("Content-Type", "application/json")
+		_, _ = w.Write([]byte(`{"body":{"id":"2056980937278816399","name":"累充活动$100","rewardConfigList":[{"id":"1","type":"BADGE","name":"Badge","quantity":"30","cover":"https://example.com/badge.png"}]}}`))
+	})
+	server := httptest.NewServer(mux)
+	defer server.Close()
+
+	client := New(config.Config{
+		HTTP: config.HTTPConfig{Timeout: time.Second},
+		Java: config.JavaConfig{OtherBaseURL: server.URL},
+	})
+	got, err := client.FindRewardGroupDetail(context.Background(), "LIKEI", "累充活动$100")
+	if err != nil {
+		t.Fatalf("FindRewardGroupDetail() error = %v", err)
+	}
+	if pageCalls != 1 || detailCalls != 1 {
+		t.Fatalf("calls page=%d detail=%d, want 1/1", pageCalls, detailCalls)
+	}
+	if int64(got.ID) != groupID || len(got.RewardConfigList) != 1 {
+		t.Fatalf("detail = %+v, want hydrated reward group", got)
+	}
+}