【修复】修复二维码生成与微信交互判断失效的问题。

CoreCms.Net.Services/Share/CoreCmsShareServices.cs

@@ -391,17 +391,17 @@ namespace CoreCms.Net.Services
                 request.LineColor = new WxaGetWxaCodeUnlimitRequest.Types.Color() { Red = 221, Blue = 51, Green = 238 };
 
                 var response = await client.ExecuteWxaGetWxaCodeUnlimitAsync(request);
-                if (response.IsSuccessful() && response.ErrorCode == (int)WeChatReturnCode.ReturnCode.page不正确)
+                if (!response.IsSuccessful() && response.ErrorCode == (int)WeChatReturnCode.ReturnCode.page不正确)
                 {
                     jm.msg = "后台小程序配置的APPID和APPSECRET对应的小程序未发布上线,或者page没有发布，无法生成海报";
                     return jm;
                 }
-                else if (response.IsSuccessful() && response.ErrorCode == (int)WeChatReturnCode.ReturnCode.获取access_token时AppSecret错误或者access_token无效)
+                else if (!response.IsSuccessful() && response.ErrorCode == (int)WeChatReturnCode.ReturnCode.获取access_token时AppSecret错误或者access_token无效)
                 {
                     jm.msg = "微信小程序access_token已过期，无法为你生成海报";
                     return jm;
                 }
-                else if (response.IsSuccessful() && response.ErrorCode > 0)
+                else if (!response.IsSuccessful() && response.ErrorCode > 0)
                 {
                     var enumType = EnumHelper.GetEnumberEntity<WeChatReturnCode.ReturnCode>(response.ErrorCode);
                     if (enumType != null)