diff --git a/src/common/gas_fee_strategy.rs b/src/common/gas_fee_strategy.rs
index 396157c..6f2457a 100644
--- a/src/common/gas_fee_strategy.rs
+++ b/src/common/gas_fee_strategy.rs
@@ -317,6 +317,34 @@ impl GasFeeStrategy {
         self.strategies.store(Arc::new(HashMap::new()));
     }
 
+    /// 动态更新买入小费（保持其他参数不变）
+    /// Dynamically update buy tip (keep other parameters unchanged)
+    pub fn update_buy_tip(&self, buy_tip: f64) {
+        self.strategies.rcu(|current_map| {
+            let mut new_map = (**current_map).clone();
+            for ((swqos_type, trade_type, strategy_type), value) in new_map.iter_mut() {
+                if *trade_type == TradeType::Buy {
+                    value.tip = buy_tip;
+                }
+            }
+            Arc::new(new_map)
+        });
+    }
+
+    /// 动态更新卖出小费（保持其他参数不变）
+    /// Dynamically update sell tip (keep other parameters unchanged)
+    pub fn update_sell_tip(&self, sell_tip: f64) {
+        self.strategies.rcu(|current_map| {
+            let mut new_map = (**current_map).clone();
+            for ((swqos_type, trade_type, strategy_type), value) in new_map.iter_mut() {
+                if *trade_type == TradeType::Sell {
+                    value.tip = sell_tip;
+                }
+            }
+            Arc::new(new_map)
+        });
+    }
+
     /// 打印所有策略。
     /// Print all strategies
     pub fn print_all_strategies(&self) {
diff --git a/src/constants/swqos.rs b/src/constants/swqos.rs
index c5b245b..baeab1c 100755
--- a/src/constants/swqos.rs
+++ b/src/constants/swqos.rs
@@ -217,3 +217,13 @@ pub const SWQOS_ENDPOINTS_ASTRALANE: [&str; 8] = [
     "http://lim.gateway.astralane.io/iris",
 ];
 
+pub const SWQOS_MIN_TIP_DEFAULT: f64 = 0.00001; // 其它SWQOS默认最低小费
+pub const SWQOS_MIN_TIP_JITO: f64 = SWQOS_MIN_TIP_DEFAULT;
+pub const SWQOS_MIN_TIP_NEXTBLOCK: f64 = SWQOS_MIN_TIP_DEFAULT;
+pub const SWQOS_MIN_TIP_ZERO_SLOT: f64 = SWQOS_MIN_TIP_DEFAULT;
+pub const SWQOS_MIN_TIP_TEMPORAL: f64 = SWQOS_MIN_TIP_DEFAULT;
+pub const SWQOS_MIN_TIP_BLOXROUTE: f64 = SWQOS_MIN_TIP_DEFAULT;
+pub const SWQOS_MIN_TIP_NODE1: f64 = 0.002; // 如需更高阈值可调整
+pub const SWQOS_MIN_TIP_FLASHBLOCK: f64 = SWQOS_MIN_TIP_DEFAULT;
+pub const SWQOS_MIN_TIP_BLOCKRAZOR: f64 = SWQOS_MIN_TIP_DEFAULT;
+pub const SWQOS_MIN_TIP_ASTRALANE: f64 = SWQOS_MIN_TIP_DEFAULT;
diff --git a/src/lib.rs b/src/lib.rs
index 7a2b9b1..b6064c9 100755
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -688,12 +688,28 @@ impl SolanaTrade {
     /// - 交易执行或确认失败
     /// - 网络或 RPC 错误
     pub async fn wrap_wsol_to_sol(&self, amount: u64) -> Result<String, anyhow::Error> {
-        use crate::trading::common::wsol_manager::wrap_wsol_to_sol as wrap_wsol_to_sol_internal;
+        use crate::trading::common::wsol_manager::{wrap_wsol_to_sol as wrap_wsol_to_sol_internal, wrap_wsol_to_sol_without_create};
+        use crate::common::seed::get_associated_token_address_with_program_id_use_seed;
         use solana_sdk::transaction::Transaction;
 
-        let recent_blockhash = self.rpc.get_latest_blockhash().await?;
-        let instructions = wrap_wsol_to_sol_internal(&self.payer.pubkey(), amount)?;
+        // 检查临时seed账户是否已存在
+        let seed_ata_address = get_associated_token_address_with_program_id_use_seed(
+            &self.payer.pubkey(),
+            &crate::constants::WSOL_TOKEN_ACCOUNT,
+            &crate::constants::TOKEN_PROGRAM,
+        )?;
 
+        let account_exists = self.rpc.get_account(&seed_ata_address).await.is_ok();
+
+        let instructions = if account_exists {
+            // 如果账户已存在，使用不创建账户的版本
+            wrap_wsol_to_sol_without_create(&self.payer.pubkey(), amount)?
+        } else {
+            // 如果账户不存在，使用创建账户的版本
+            wrap_wsol_to_sol_internal(&self.payer.pubkey(), amount)?
+        };
+
+        let recent_blockhash = self.rpc.get_latest_blockhash().await?;
         let mut transaction = Transaction::new_with_payer(&instructions, Some(&self.payer.pubkey()));
         transaction.sign(&[&*self.payer], recent_blockhash);
         let signature = self.rpc.send_and_confirm_transaction(&transaction).await?;
diff --git a/src/trading/common/transaction_builder.rs b/src/trading/common/transaction_builder.rs
index a384af5..7304fbb 100755
--- a/src/trading/common/transaction_builder.rs
+++ b/src/trading/common/transaction_builder.rs
@@ -46,24 +46,10 @@ pub async fn build_transaction(
 
     // Add tip transfer instruction
     if with_tip && tip_amount > 0.0 {
-        // 🔧 Node1 最小小费金额限制：0.002 SOL（仅限 Node1）
-        const MIN_TIP_AMOUNT: f64 = 0.002;
-
-        // 检查是否是 Node1 的 tip_account
-        let is_node1 = NODE1_TIP_ACCOUNTS.iter().any(|&account| account == *tip_account);
-
-        let actual_tip_amount = if is_node1 && tip_amount < MIN_TIP_AMOUNT {
-            // Node1 要求最小 0.002 SOL
-            MIN_TIP_AMOUNT
-        } else {
-            // 其他 swqos 使用原始金额
-            tip_amount
-        };
-
         instructions.push(transfer(
             &payer.pubkey(),
             tip_account,
-            sol_str_to_lamports(actual_tip_amount.to_string().as_str()).unwrap_or(0),
+            sol_str_to_lamports(tip_amount.to_string().as_str()).unwrap_or(0),
         ));
     }
 
diff --git a/src/trading/common/wsol_manager.rs b/src/trading/common/wsol_manager.rs
index ffde170..6ea6dfa 100644
--- a/src/trading/common/wsol_manager.rs
+++ b/src/trading/common/wsol_manager.rs
@@ -96,17 +96,22 @@ pub fn wrap_sol_only(payer: &Pubkey, amount_in: u64) -> SmallVec<[Instruction; 2
 }
 
 /// 将 WSOL 转换为 SOL，使用 seed 账户
-/// 1. 使用 super::seed::create_associated_token_account_use_seed 创建 WSOL seed 账号
-/// 2. 使用 get_associated_token_address_with_program_id_use_seed 获取该账号的 ATA 地址
-/// 3. 添加从用户 WSOL ATA 转账到该 seed ATA 账号的指令
-/// 4. 添加关闭 WSOL seed 账号的指令
+/// 1. 检查 seed 账户是否已存在
+/// 2. 如果不存在，使用 super::seed::create_associated_token_account_use_seed 创建 WSOL seed 账号
+/// 3. 使用 get_associated_token_address_with_program_id_use_seed 获取该账号的 ATA 地址
+/// 4. 添加从用户 WSOL ATA 转账到该 seed ATA 账号的指令
+/// 5. 添加关闭 WSOL seed 账号的指令
+///
+/// 注意：此函数只生成指令，不检查账户是否存在（需要调用方在发送交易前检查）
+/// 如果临时账户已存在，可以安全地跳过创建步骤，直接转账并关闭
 pub fn wrap_wsol_to_sol(
     payer: &Pubkey,
     amount: u64,
 ) -> Result<Vec<Instruction>, anyhow::Error> {
     let mut instructions = Vec::new();
 
-    // 1. 创建 WSOL seed 账户
+    // 1. 创建 WSOL seed 账户（注意：如果账户已存在会失败）
+    // 调用方应该先检查账户是否存在，如果存在则跳过此步骤
     let seed_account_instructions = create_associated_token_account_use_seed(
         payer,
         payer,
@@ -152,3 +157,49 @@ pub fn wrap_wsol_to_sol(
 
     Ok(instructions)
 }
+
+/// 将 WSOL 转换为 SOL（仅转账和关闭，不创建账户）
+/// 用于当临时seed账户已存在的情况
+pub fn wrap_wsol_to_sol_without_create(
+    payer: &Pubkey,
+    amount: u64,
+) -> Result<Vec<Instruction>, anyhow::Error> {
+    let mut instructions = Vec::new();
+
+    // 1. 获取 seed 账户的 ATA 地址
+    let seed_ata_address = get_associated_token_address_with_program_id_use_seed(
+        payer,
+        &crate::constants::WSOL_TOKEN_ACCOUNT,
+        &crate::constants::TOKEN_PROGRAM,
+    )?;
+
+    // 2. 获取用户的 WSOL ATA 地址
+    let user_wsol_ata = crate::common::fast_fn::get_associated_token_address_with_program_id_fast(
+        payer,
+        &crate::constants::WSOL_TOKEN_ACCOUNT,
+        &crate::constants::TOKEN_PROGRAM,
+    );
+
+    // 3. 添加从用户 WSOL ATA 转账到 seed ATA 的指令
+    let transfer_instruction = crate::common::spl_token::transfer(
+        &crate::constants::TOKEN_PROGRAM,
+        &user_wsol_ata,
+        &seed_ata_address,
+        payer,
+        amount,
+        &[],
+    )?;
+    instructions.push(transfer_instruction);
+
+    // 4. 添加关闭 WSOL seed 账户的指令
+    let close_instruction = close_account(
+        &crate::constants::TOKEN_PROGRAM,
+        &seed_ata_address,
+        payer,
+        payer,
+        &[],
+    )?;
+    instructions.push(close_instruction);
+
+    Ok(instructions)
+}
diff --git a/src/trading/core/async_executor.rs b/src/trading/core/async_executor.rs
index 115b225..e5e6e0f 100644
--- a/src/trading/core/async_executor.rs
+++ b/src/trading/core/async_executor.rs
@@ -15,6 +15,18 @@ use crate::{
     common::{GasFeeStrategy, SolanaRpcClient},
     swqos::{SwqosClient, SwqosType, TradeType},
     trading::{common::build_transaction, MiddlewareManager},
+    constants::swqos::{
+        SWQOS_MIN_TIP_DEFAULT,
+        SWQOS_MIN_TIP_JITO,
+        SWQOS_MIN_TIP_NEXTBLOCK,
+        SWQOS_MIN_TIP_ZERO_SLOT,
+        SWQOS_MIN_TIP_TEMPORAL,
+        SWQOS_MIN_TIP_BLOXROUTE,
+        SWQOS_MIN_TIP_NODE1,
+        SWQOS_MIN_TIP_FLASHBLOCK,
+        SWQOS_MIN_TIP_BLOCKRAZOR,
+        SWQOS_MIN_TIP_ASTRALANE,
+    },
 };
 
 #[repr(align(64))]
@@ -142,6 +154,26 @@ pub async fn execute_parallel(
             gas_fee_strategy_configs
                 .into_iter()
                 .filter(|config| config.0.eq(&swqos_client.get_swqos_type()))
+                .filter(|config| {
+                    // 当需要 tip 且不是 Default 时，按 provider 最低小费进行筛选
+                    if with_tip && !matches!(config.0, SwqosType::Default) {
+                        let min_tip = match config.0 {
+                            SwqosType::Jito => SWQOS_MIN_TIP_JITO,
+                            SwqosType::NextBlock => SWQOS_MIN_TIP_NEXTBLOCK,
+                            SwqosType::ZeroSlot => SWQOS_MIN_TIP_ZERO_SLOT,
+                            SwqosType::Temporal => SWQOS_MIN_TIP_TEMPORAL,
+                            SwqosType::Bloxroute => SWQOS_MIN_TIP_BLOXROUTE,
+                            SwqosType::Node1 => SWQOS_MIN_TIP_NODE1,
+                            SwqosType::FlashBlock => SWQOS_MIN_TIP_FLASHBLOCK,
+                            SwqosType::BlockRazor => SWQOS_MIN_TIP_BLOCKRAZOR,
+                            SwqosType::Astralane => SWQOS_MIN_TIP_ASTRALANE,
+                            SwqosType::Default => SWQOS_MIN_TIP_DEFAULT,
+                        };
+                        config.2.tip >= min_tip
+                    } else {
+                        true
+                    }
+                })
                 .map(move |config| (i, swqos_client.clone(), config))
         })
         .collect();