Release模式打包NuGet包后部分公共类无法访问问题

使用dotnet pack -c Release命令创建NuGet包，在其他项目中引用时，仅能访问Unit类，无法访问其他公共类；但切换为Debug模式打包则可正常访问所有类。

项目文件内容 #

DTOs.cs #

namespace AAUTOGateway.Models
{
    public class Unit
    {
    }

    [System.CodeDom.Compiler.GeneratedCode("NJsonSchema", "13.15.10.0 (NJsonSchema v10.6.10.0 (Newtonsoft.Json v13.0.0.0))")]
    public enum ConfigurationAssetType
    {

        [System.Runtime.Serialization.EnumMember(Value = @"Asset")]
        Asset = 0,

        [System.Runtime.Serialization.EnumMember(Value = @"ContactPerson")]
        ContactPerson = 1,

        [System.Runtime.Serialization.EnumMember(Value = @"Credential")]
        Credential = 2,

    }

    [System.CodeDom.Compiler.GeneratedCode("NJsonSchema", "13.15.10.0 (NJsonSchema v10.6.10.0 (Newtonsoft.Json v13.0.0.0))")]
    public class ConfigurationSchemaAttributeModel
    {

        [System.Text.Json.Serialization.JsonPropertyName("id")]
        public int Id { get; set; }

        [System.Text.Json.Serialization.JsonPropertyName("processId")]
        public int ProcessId { get; set; }

        [System.Text.Json.Serialization.JsonPropertyName("key")]
        public string Key { get; set; }

        [System.Text.Json.Serialization.JsonPropertyName("type")]
        [System.Text.Json.Serialization.JsonConverter(typeof(System.Text.Json.Serialization.JsonStringEnumConverter))]
        public ConfigurationAssetType Type { get; set; }

    }

    [System.CodeDom.Compiler.GeneratedCode("NJsonSchema", "13.15.10.0 (NJsonSchema v10.6.10.0 (Newtonsoft.Json v13.0.0.0))")]
    public class ConfigurationScopeAssetModel
    {

        [System.Text.Json.Serialization.JsonPropertyName("id")]
        public int Id { get; set; }

        [System.Text.Json.Serialization.JsonPropertyName("configurationScopeId")]
        public int ConfigurationScopeId { get; set; }

        [System.Text.Json.Serialization.JsonPropertyName("key")]
        public string Key { get; set; }

        [System.Text.Json.Serialization.JsonPropertyName("type")]
        [System.Text.Json.Serialization.JsonConverter(typeof(System.Text.Json.Serialization.JsonStringEnumConverter))]
        public ConfigurationAssetType Type { get; set; }

        [System.Text.Json.Serialization.JsonPropertyName("value")]
        public string Value { get; set; }

    }
...
}

.csproj #

<Project Sdk="Microsoft.NET.Sdk">

  <PropertyGroup>
    <TargetFramework>net6.0</TargetFramework>
    <ImplicitUsings>enable</ImplicitUsings>
    <Nullable>enable</Nullable>
  </PropertyGroup>

  <PropertyGroup>
    <GeneratePackageOnBuild>True</GeneratePackageOnBuild>
    <Title>XXX</Title>
    <Description>XXX</Description>
    <VersionPrefix>0.0.1</VersionPrefix>
    <Company>XXX</Company>
  </PropertyGroup>

</Project>

请问问题原因是什么，或是否有遗漏的配置？

内容的提问来源于stack exchange，提问作者Theodor349