OsVersion改为可选

AllPay_Integration_Specification_CH.md

@@ -100,7 +100,7 @@ signature: 0be23be18fb6148572e15f9fa2f97816
 | signType      | String(10)   | 是    | MD5或SHA256 |
 | signature     | String(32)   | 是    | 采用 MD5或SHA256 签名 |
 | OsType     | String(20)   | 是    | 操作系统类型。<br>"IOS"，"ANDROID"，"HARMONYOS"，"WINDOWS"，"MAC"，"OTHER" 选其中一个上送 |
-| OsVersion     | String(20)   | 是    | 操作系统版本。示例："10.0.19043" |
+| OsVersion     | String(20)   | 否    | 操作系统版本。示例："10.0.19043" |
 
 **3. 响应参数**
 

AllPay_Integration_Specification_EN.md

@@ -100,7 +100,7 @@ This interface provides the function of purchase transaction for access merchant
 | signType      | String(10)   | Yes    | "MD5" or "SHA256" |
 | signature     | String(32)   | Yes    | MD5 or SHA256 signature |
 | OsType     | String(20)   | Yes    | OS type.<br>"IOS", "ANDROID", "HARMONYOS", "WINDOWS", "MAC", "OTHER". Choose one of them. |
-| OsVersion     | String(20)   | Yes   | OS version. Example: "10.0.19043" |
+| OsVersion     | String(20)   | No   | OS version. Example: "10.0.19043" |
 
 **3. Response parameters**