文档优化

sdk/README.md

@@ -9,7 +9,7 @@
 在Go项目中导入本SDK：
 
 ```bash
-go get "gitea.weitiangame.com/sdk/wt-game"
+go get gitea.weitiangame.com/sdk/wt-game
 ```
 
 请将 `"gitea.weitiangame.com/sdk/wt-game"` 替换为实际的导入路径。
@@ -27,7 +27,7 @@ import (
 
 func main() {
     secretKey := "your_secret_key"
-    sdk := sdk.New(secretKey)
+	newSdk := sdk.New(secretKey)
     // 继续使用SDK
 }
 ```
@@ -53,7 +53,7 @@ order := &sdk.Order{
     PayTime:     "2023-10-05 14:30:00",
 }
 
-sign, err := sdk.SignParam(order)
+sign, err := newSdk.SignParam(order)
 if err != nil {
     fmt.Println("生成签名失败:", err)
     return
@@ -76,7 +76,7 @@ import (
 
 func main() {
     secretKey := "your_secret_key"
-    sdk := sdk.New(secretKey)
+	newSdk := sdk.New(secretKey)
 
     order := &sdk.Order{
         Uid:         "12345",
@@ -94,7 +94,7 @@ func main() {
         PayTime:     "2023-10-05 14:30:00",
     }
 
-    sign, err := sdk.SignParam(order)
+    sign, err := newSdk.SignParam(order)
     if err != nil {
         fmt.Println("生成签名失败:", err)
         return