diff --git a/Cargo.toml b/Cargo.toml
index 82fb901..ba09d52 100755
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "sol-trade-sdk"
-version = "3.1.2"
+version = "3.1.3"
 edition = "2021"
 authors = [
     "William <byteblock6@gmail.com>",
diff --git a/README.md b/README.md
index 165f513..b9df029 100644
--- a/README.md
+++ b/README.md
@@ -87,14 +87,14 @@ Add the dependency to your `Cargo.toml`:
 
 ```toml
 # Add to your Cargo.toml
-sol-trade-sdk = { path = "./sol-trade-sdk", version = "3.1.2" }
+sol-trade-sdk = { path = "./sol-trade-sdk", version = "3.1.3" }
 ```
 
 ### Use crates.io
 
 ```toml
 # Add to your Cargo.toml
-sol-trade-sdk = "3.1.2"
+sol-trade-sdk = "3.1.3"
 ```
 
 ## 🛠️ Usage Examples
diff --git a/README_CN.md b/README_CN.md
index 1dfd5bb..741c4c0 100755
--- a/README_CN.md
+++ b/README_CN.md
@@ -87,14 +87,14 @@ git clone https://github.com/0xfnzero/sol-trade-sdk
 
 ```toml
 # 添加到您的 Cargo.toml
-sol-trade-sdk = { path = "./sol-trade-sdk", version = "3.1.2" }
+sol-trade-sdk = { path = "./sol-trade-sdk", version = "3.1.3" }
 ```
 
 ### 使用 crates.io
 
 ```toml
 # 添加到您的 Cargo.toml
-sol-trade-sdk = "3.1.2"
+sol-trade-sdk = "3.1.3"
 ```
 
 ## 🛠️ 使用示例
diff --git a/src/trading/core/async_executor.rs b/src/trading/core/async_executor.rs
index 71e90f7..26b1100 100644
--- a/src/trading/core/async_executor.rs
+++ b/src/trading/core/async_executor.rs
@@ -150,7 +150,7 @@ pub async fn execute_parallel(
         return Err(anyhow!("No available gas fee strategy configs"));
     }
 
-    if task_configs.len() > 1 && durable_nonce.is_none() {
+    if is_buy && task_configs.len() > 1 && durable_nonce.is_none() {
         return Err(anyhow!("Multiple swqos transactions require durable_nonce to be set.",));
     }