修复企业认证部分bug

cloud-market-server/src/main/java/com/muyu/cloud/market/controller/CompanyController.java

@@ -68,7 +68,7 @@ public class CompanyController {
     @Operation(summary = "是否企业绑定了",description = "是否企业绑定了")
     public Result ifcompanyauthentication(){
         User user = companyService.ifcompanyauthentication();
-        if (user.getIsCompanyid()==0 || user.getIsCompanyid()==null){
+        if (user.getIsCompanyid()==0 || null==user.getIsCompanyid()){
             return Result.error("请先进行企业绑定");
         }
         return Result.success(null,"绑定成功");