diff --git a/skills/gmgn-market/SKILL.md b/skills/gmgn-market/SKILL.md
index a29c0a8..6bf7718 100644
--- a/skills/gmgn-market/SKILL.md
+++ b/skills/gmgn-market/SKILL.md
@@ -507,7 +507,7 @@ All filter flags are sent as part of the API request body — the server filters
 | `--min-progress` / `--max-progress` | float | Bonding curve progress (0–1) |
 | `--min-marketcap` / `--max-marketcap` | float | Market cap (USD) |
 | `--min-liquidity` / `--max-liquidity` | float | Liquidity (USD) |
-| `--min-created` / `--max-created` | string | Token age (e.g. `1m` / `5m` / `1h` / `24h`) |
+| `--min-created` / `--max-created` | duration | Token age — unit suffix recommended: seconds (`30s`, `10s`) or minutes (`0.5m`, `1m`, `5m`, `30m`). Bare numbers (e.g. `5`) are treated as minutes with a warning. |
 | `--min-holder-count` / `--max-holder-count` | int | Holder count |
 | `--min-top-holder-rate` / `--max-top-holder-rate` | float | Top-10 holder concentration (0–1) |
 | `--min-rug-ratio` / `--max-rug-ratio` | float | Rug pull risk score (0–1) |
diff --git a/src/commands/market.ts b/src/commands/market.ts
index 020080b..c126b5f 100644
--- a/src/commands/market.ts
+++ b/src/commands/market.ts
@@ -4,12 +4,18 @@ import { getConfig } from "../config.js";
 import { exitOnError, printResult } from "../output.js";
 import { validateAddress, validateChain } from "../validate.js";
 
-// Parse token age string — must include a unit suffix: s (seconds) or m (minutes).
-// e.g. "30s" → "30s", "0.5m" → "0.5m". Bare numbers without a unit are rejected.
+// Parse token age string. If a unit suffix is present (s/m), use it as-is.
+// Bare numbers (no unit) are treated as minutes with a warning.
 function parseDuration(value: string): string {
   if (/^\d+(\.\d+)?[sm]$/.test(value)) return value;
+  if (/^\d+(\.\d+)?$/.test(value)) {
+    console.warn(
+      `[gmgn-cli] Warning: no unit specified for duration "${value}" — treating as minutes (${value}m). Use a suffix to be explicit: ${value}s for seconds or ${value}m for minutes.`
+    );
+    return `${value}m`;
+  }
   console.error(
-    `[gmgn-cli] Invalid duration "${value}". A unit is required — use seconds (e.g. 30s) or minutes (e.g. 0.5m / 1m / 5m).`
+    `[gmgn-cli] Invalid duration "${value}". Use seconds (e.g. 30s) or minutes (e.g. 0.5m / 1m / 5m).`
   );
   process.exit(1);
 }