diff --git a/debug_volc_sync.py b/debug_volc_sync.py
index fa76a15..93488dd 100644
--- a/debug_volc_sync.py
+++ b/debug_volc_sync.py
@@ -116,12 +116,15 @@ def fetch_all_packages():
     version = "2022-01-01"
     all_packages = []
     current_token = ""
+    seen_tokens = set()
 
     while True:
         try:
             payload = {
                 "ResourceType": "Package",
                 "MaxResults": "20",
+                # 只拉生效中的数据包，跳过 UsedUp/Expired/Refunded 等余额为 0 的无用包
+                "Status": "Effective",
                 "NextToken": current_token,
             }
             headers, body = get_signed_headers(action, version, payload)
@@ -134,8 +137,19 @@ def fetch_all_packages():
             if items:
                 all_packages.extend(items)
             next_token = data.get("Result", {}).get("NextToken", "")
-            if not next_token or next_token == current_token:
+
+            # Infinite Loop Protection: VolcEngine API 翻页到头后 NextToken 会
+            # 循环回起始 token（实测：数据只有 ~8 页，第 9 页绕回第一个 token），
+            # 没有该保护会无限翻页。
+            if not next_token:
                 break
+            if next_token == current_token:
+                break
+            if next_token in seen_tokens:
+                print(f"WARNING: Detected pagination cycle with token {next_token}. Stopping.")
+                break
+
+            seen_tokens.add(next_token)
             current_token = next_token
             time.sleep(0.2)
         except Exception as e:
diff --git a/volc_limit_sync.py b/volc_limit_sync.py
index 6171e15..3d0a2f2 100644
--- a/volc_limit_sync.py
+++ b/volc_limit_sync.py
@@ -863,6 +863,10 @@ def fetch_all_packages():
             payload = {
                 "ResourceType": "Package",
                 "MaxResults": "20",
+                # 服务端只返回生效中的数据包，跳过 UsedUp/Expired/Refunded 等
+                # 余额为 0 的无用包，显著减少翻页次数与 QPS 占用。
+                # 周期型包（月度重置）状态仍为 Effective，不会被误过滤。
+                "Status": "Effective",
                 "NextToken": current_token,
             }
             headers, body = get_signed_headers(action, version, payload)
@@ -876,15 +880,18 @@ def fetch_all_packages():
             next_token = data.get("Result", {}).get("NextToken", "")
 
             # Infinite Loop Protection
+            # 火山 API 翻页到头后 NextToken 会循环回起始 token（实测数据只有
+            # ~8 页时第 9 页绕回第一个 token），必须用 seen_tokens 拦下载断。
             if not next_token:
                 break
             if next_token == current_token:
                 break
             if next_token in seen_tokens:
-                if DEBUG_MODE:
-                    print(
-                        f"DEBUG: Detected pagination cycle with token {next_token}. Stopping."
-                    )
+                log(
+                    f"⚠️ VolcEngine pagination cycle detected (token {next_token} repeated). "
+                    f"Stopping after {len(all_packages)} packages.",
+                    level="WARNING",
+                )
                 break
 
             seen_tokens.add(next_token)