diff --git a/Readme.md b/Readme.md
index 2c9a24f..72229e9 100644
--- a/Readme.md
+++ b/Readme.md
@@ -569,6 +569,12 @@ gmgn-cli order quote \
 # Query order
 gmgn-cli order get --chain sol --order-id <order-id>
 
+# Query real-time gas price (all chains)
+gmgn-cli gas-price --chain sol
+gmgn-cli gas-price --chain eth
+gmgn-cli gas-price --chain bsc
+gmgn-cli gas-price --chain base
+
 # Multi-wallet concurrent swap
 gmgn-cli multi-swap \
   --chain sol \
@@ -581,6 +587,34 @@ gmgn-cli multi-swap \
 
 > `order quote` uses critical auth on `sol` / `bsc` / `base` / `eth` and requires `GMGN_PRIVATE_KEY`.
 
+### ETH Gas Control (ETH only)
+
+```bash
+# Pick a gas tier instead of entering gwei manually (low / average / high)
+gmgn-cli swap \
+  --chain eth \
+  --from <wallet-address> \
+  --input-token <input-token-addr> \
+  --output-token <output-token-addr> \
+  --amount <amount> \
+  --slippage 0.01 \
+  --gas-level high
+
+# Let GMGN auto-select the optimal gas fee for condition orders
+gmgn-cli swap \
+  --chain eth \
+  --from <wallet-address> \
+  --input-token <input-token-addr> \
+  --output-token <output-token-addr> \
+  --amount <amount> \
+  --slippage 0.01 \
+  --condition-orders '[...]' \
+  --auto-fee
+```
+
+> `--gas-level` and `--auto-fee` are ETH only. `--auto-fee` only takes effect when used with `--condition-orders`.
+> For other chains (SOL / BSC / BASE), use `gas-price` to query the current gas, then pass the result via `--gas-price`.
+
 ### Swap with Take-Profit / Stop-Loss Orders (requires private key)
 
 **`hold_amount` mode** — each condition order fires based on current holdings at trigger time:
@@ -674,6 +708,7 @@ gmgn-cli cooking \
 |----------|--------|-----------------|
 | token / market / portfolio / track | `sol` / `bsc` / `base` / `eth` | — |
 | swap / order | `sol` / `bsc` / `base` / `eth` | sol: SOL, USDC · bsc: BNB, USDC · base: ETH, USDC · eth: ETH |
+| gas-price | `sol` / `bsc` / `base` / `eth` | — |
 
 ---
 
diff --git a/Readme.zh.md b/Readme.zh.md
index 6c79db2..dd3f8c7 100644
--- a/Readme.zh.md
+++ b/Readme.zh.md
@@ -593,6 +593,12 @@ gmgn-cli order quote \
 # 查询订单状态
 gmgn-cli order get --chain sol --order-id <order-id>
 
+# 查询实时 Gas 价格（支持全链）
+gmgn-cli gas-price --chain sol
+gmgn-cli gas-price --chain eth
+gmgn-cli gas-price --chain bsc
+gmgn-cli gas-price --chain base
+
 # 多钱包并发 Swap
 gmgn-cli multi-swap \
   --chain sol \
@@ -605,6 +611,34 @@ gmgn-cli multi-swap \
 
 > `order quote` 在 `sol` / `bsc` / `base` / `eth` 上都走关键鉴权，必须配置 `GMGN_PRIVATE_KEY`。
 
+### ETH Gas 档位控制（仅限 ETH）
+
+```bash
+# 按档位设置 Gas（low / average / high），替代手动填写 gwei
+gmgn-cli swap \
+  --chain eth \
+  --from <wallet-address> \
+  --input-token <input-token-addr> \
+  --output-token <output-token-addr> \
+  --amount <amount> \
+  --slippage 0.01 \
+  --gas-level high
+
+# 策略单（condition-orders）由 GMGN 自动选择最优 Gas Fee
+gmgn-cli swap \
+  --chain eth \
+  --from <wallet-address> \
+  --input-token <input-token-addr> \
+  --output-token <output-token-addr> \
+  --amount <amount> \
+  --slippage 0.01 \
+  --condition-orders '[...]' \
+  --auto-fee
+```
+
+> `--gas-level` 和 `--auto-fee` 仅支持 ETH 链。`--auto-fee` 仅在携带 `--condition-orders` 时生效。
+> 其他链（SOL / BSC / BASE）请先用 `gas-price` 查询当前 Gas，再通过 `--gas-price` 手动传入。
+
 ### 带止盈止损的 Swap（需要私钥）
 
 **`hold_amount` 模式** — 按触发时的实际持仓比例卖出：
@@ -698,6 +732,7 @@ gmgn-cli cooking \
 |----------|----------|-----------|
 | token / market / portfolio / track | `sol` / `bsc` / `base` / `eth` | — |
 | swap / order | `sol` / `bsc` / `base` / `eth` | sol: SOL、USDC · bsc: BNB、USDC · base: ETH、USDC · eth: ETH |
+| gas-price | `sol` / `bsc` / `base` / `eth` | — |
 
 ---