feat: upgrade to v3.1.6

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "sol-trade-sdk"
-version = "3.1.6"
+version = "3.1.7"
 edition = "2021"
 authors = [
     "William <byteblock6@gmail.com>",

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 = "3.1.6" }
+sol-trade-sdk = { path = "./sol-trade-sdk", version = "3.1.7" }
 ```
 
 ### Use crates.io
 
 ```toml
 # Add to your Cargo.toml
-sol-trade-sdk = "3.1.6"
+sol-trade-sdk = "3.1.7"
 ```
 
 ## 🛠️ Usage Examples

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 = "3.1.6" }
+sol-trade-sdk = { path = "./sol-trade-sdk", version = "3.1.7" }
 ```
 
 ### 使用 crates.io
 
 ```toml
 # 添加到您的 Cargo.toml
-sol-trade-sdk = "3.1.6"
+sol-trade-sdk = "3.1.7"
 ```
 
 ## 🛠️ 使用示例

src/instruction/pumpswap.rs

@@ -140,7 +140,7 @@ impl InstructionBuilder for PumpSwapInstructionBuilder {
         // Create buy instruction
         let mut accounts = Vec::with_capacity(23);
         accounts.extend([
-            AccountMeta::new_readonly(pool, false), // pool_id (readonly)
+            AccountMeta::new(pool, false), // pool_id
             AccountMeta::new(params.payer.pubkey(), true), // user (signer)
             accounts::GLOBAL_ACCOUNT_META,          // global (readonly)
             AccountMeta::new_readonly(base_mint, false), // base_mint (readonly)
@@ -300,7 +300,7 @@ impl InstructionBuilder for PumpSwapInstructionBuilder {
         // Create sell instruction
         let mut accounts = Vec::with_capacity(23);
         accounts.extend([
-            AccountMeta::new_readonly(pool, false), // pool_id (readonly)
+            AccountMeta::new(pool, false), // pool_id
             AccountMeta::new(params.payer.pubkey(), true), // user (signer)
             accounts::GLOBAL_ACCOUNT_META,          // global (readonly)
             AccountMeta::new_readonly(base_mint, false), // mint (readonly)