diff --git a/05_WriteContract/WriteContract.js b/05_WriteContract/WriteContract.js
index e3d0cd7..6af5fce 100644
--- a/05_WriteContract/WriteContract.js
+++ b/05_WriteContract/WriteContract.js
@@ -23,7 +23,7 @@ const abiWETH = [
     "function withdraw(uint) public",
 ];
 // WETH合约地址（Goerli测试网）
-const addressWETH = '0xb4fbf271143f4fbf7b91a5ded31805e42b2208d6'
+const addressWETH = '0x7b79995e5f793A07Bc00c21412e50Ecae098E7f9'
 // WETH Contract
 
 // 声明可写合约
diff --git a/05_WriteContract/readme.md b/05_WriteContract/readme.md
index e89c282..f1e667f 100644
--- a/05_WriteContract/readme.md
+++ b/05_WriteContract/readme.md
@@ -91,7 +91,7 @@ await tx.wait()
         "function withdraw(uint) public",
     ];
     // WETH合约地址（Goerli测试网）
-    const addressWETH = '0xb4fbf271143f4fbf7b91a5ded31805e42b2208d6' // WETH Contract
+    const addressWETH = '0xfFf9976782d46CC05630D1f6eBAb18b2324d6B14' // WETH Contract
 
     // 声明可写合约
     const contractWETH = new ethers.Contract(addressWETH, abiWETH, wallet)
diff --git a/07_Event/Event.js b/07_Event/Event.js
index 0e98558..e2051be 100644
--- a/07_Event/Event.js
+++ b/07_Event/Event.js
@@ -17,7 +17,7 @@ const abiWETH = [
 ];
 
 // 测试网WETH地址
-const addressWETH = '0xb4fbf271143f4fbf7b91a5ded31805e42b2208d6'
+const addressWETH = '0xfFf9976782d46CC05630D1f6eBAb18b2324d6B14'
 // 声明合约实例
 const contract = new ethers.Contract(addressWETH, abiWETH, provider)
 
diff --git a/07_Event/readme.md b/07_Event/readme.md
index b77fd8d..4def5e3 100644
--- a/07_Event/readme.md
+++ b/07_Event/readme.md
@@ -78,7 +78,7 @@ const transferEvents = await contract.queryFilter('事件名', 起始区块, 结
 
     ```js
     // 测试网WETH地址
-    const addressWETH = '0xb4fbf271143f4fbf7b91a5ded31805e42b2208d6'
+    const addressWETH = '0xfFf9976782d46CC05630D1f6eBAb18b2324d6B14'
     // 声明合约实例
     const contract = new ethers.Contract(addressWETH, abiWETH, provider)
     ```