diff --git a/aspnet-core/aspire/LINGYUN.Abp.MicroService.AIService.EntityFrameworkCore/Migrations/20260327114905_Adjujst-AITool-Description-Length.Designer.cs b/aspnet-core/aspire/LINGYUN.Abp.MicroService.AIService.EntityFrameworkCore/Migrations/20260327114905_Adjujst-AITool-Description-Length.Designer.cs
new file mode 100644
index 000000000..be79dbc8c
--- /dev/null
+++ b/aspnet-core/aspire/LINGYUN.Abp.MicroService.AIService.EntityFrameworkCore/Migrations/20260327114905_Adjujst-AITool-Description-Length.Designer.cs
@@ -0,0 +1,383 @@
+// <auto-generated />
+using System;
+using LINGYUN.Abp.MicroService.AIService;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using Volo.Abp.EntityFrameworkCore;
+
+#nullable disable
+
+namespace LINGYUN.Abp.MicroService.AIService.Migrations
+{
+    [DbContext(typeof(AIServiceMigrationsDbContext))]
+    [Migration("20260327114905_Adjujst-AITool-Description-Length")]
+    partial class AdjujstAIToolDescriptionLength
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("_Abp_DatabaseProvider", EfCoreDatabaseProvider.PostgreSql)
+                .HasAnnotation("ProductVersion", "10.0.0")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("LINGYUN.Abp.AIManagement.Chats.ConversationRecord", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<DateTime>("CreationTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("CreationTime");
+
+                    b.Property<Guid?>("CreatorId")
+                        .HasColumnType("uuid")
+                        .HasColumnName("CreatorId");
+
+                    b.Property<DateTime>("ExpiredAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<DateTime?>("LastModificationTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("LastModificationTime");
+
+                    b.Property<Guid?>("LastModifierId")
+                        .HasColumnType("uuid")
+                        .HasColumnName("LastModifierId");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("character varying(50)");
+
+                    b.Property<Guid?>("TenantId")
+                        .HasColumnType("uuid")
+                        .HasColumnName("TenantId");
+
+                    b.Property<DateTime?>("UpdateAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("Workspace")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("AbpAIConversations", (string)null);
+                });
+
+            modelBuilder.Entity("LINGYUN.Abp.AIManagement.Chats.TextChatMessageRecord", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("ConcurrencyStamp")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .HasMaxLength(40)
+                        .HasColumnType("character varying(40)")
+                        .HasColumnName("ConcurrencyStamp");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)");
+
+                    b.Property<Guid?>("ConversationId")
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<DateTime>("CreationTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("CreationTime");
+
+                    b.Property<Guid?>("CreatorId")
+                        .HasColumnType("uuid")
+                        .HasColumnName("CreatorId");
+
+                    b.Property<string>("ExtraProperties")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("ExtraProperties");
+
+                    b.Property<DateTime?>("LastModificationTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("LastModificationTime");
+
+                    b.Property<Guid?>("LastModifierId")
+                        .HasColumnType("uuid")
+                        .HasColumnName("LastModifierId");
+
+                    b.Property<DateTime?>("ReplyAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("ReplyMessage")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Role")
+                        .IsRequired()
+                        .HasMaxLength(20)
+                        .HasColumnType("character varying(20)");
+
+                    b.Property<Guid?>("TenantId")
+                        .HasColumnType("uuid")
+                        .HasColumnName("TenantId");
+
+                    b.Property<Guid?>("UserId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Workspace")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ConversationId");
+
+                    b.ToTable("AbpAITextChatMessages", (string)null);
+                });
+
+            modelBuilder.Entity("LINGYUN.Abp.AIManagement.Tokens.TokenUsageRecord", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .HasColumnType("uuid");
+
+                    b.Property<long?>("CachedInputTokenCount")
+                        .HasColumnType("bigint");
+
+                    b.Property<Guid?>("ConversationId")
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("CreationTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("CreationTime");
+
+                    b.Property<Guid?>("CreatorId")
+                        .HasColumnType("uuid")
+                        .HasColumnName("CreatorId");
+
+                    b.Property<long?>("InputTokenCount")
+                        .HasColumnType("bigint");
+
+                    b.Property<DateTime?>("LastModificationTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("LastModificationTime");
+
+                    b.Property<Guid?>("LastModifierId")
+                        .HasColumnType("uuid")
+                        .HasColumnName("LastModifierId");
+
+                    b.Property<Guid?>("MessageId")
+                        .HasColumnType("uuid");
+
+                    b.Property<long?>("OutputTokenCount")
+                        .HasColumnType("bigint");
+
+                    b.Property<long?>("ReasoningTokenCount")
+                        .HasColumnType("bigint");
+
+                    b.Property<Guid?>("TenantId")
+                        .HasColumnType("uuid")
+                        .HasColumnName("TenantId");
+
+                    b.Property<long?>("TotalTokenCount")
+                        .HasColumnType("bigint");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TenantId", "ConversationId");
+
+                    b.ToTable("AbpAITokenUsages", (string)null);
+                });
+
+            modelBuilder.Entity("LINGYUN.Abp.AIManagement.Tools.AIToolDefinitionRecord", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("ConcurrencyStamp")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .HasMaxLength(40)
+                        .HasColumnType("character varying(40)")
+                        .HasColumnName("ConcurrencyStamp");
+
+                    b.Property<DateTime>("CreationTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("CreationTime");
+
+                    b.Property<Guid?>("CreatorId")
+                        .HasColumnType("uuid")
+                        .HasColumnName("CreatorId");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)");
+
+                    b.Property<string>("ExtraProperties")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("ExtraProperties");
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("boolean");
+
+                    b.Property<bool>("IsGlobal")
+                        .HasColumnType("boolean");
+
+                    b.Property<bool>("IsSystem")
+                        .HasColumnType("boolean");
+
+                    b.Property<DateTime?>("LastModificationTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("LastModificationTime");
+
+                    b.Property<Guid?>("LastModifierId")
+                        .HasColumnType("uuid")
+                        .HasColumnName("LastModifierId");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("Provider")
+                        .IsRequired()
+                        .HasMaxLength(20)
+                        .HasColumnType("character varying(20)");
+
+                    b.Property<string>("StateCheckers")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Name")
+                        .IsUnique();
+
+                    b.ToTable("AbpAIAIToolDefinitionRecords", (string)null);
+                });
+
+            modelBuilder.Entity("LINGYUN.Abp.AIManagement.Workspaces.WorkspaceDefinitionRecord", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("ApiBaseUrl")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)");
+
+                    b.Property<string>("ApiKey")
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("ConcurrencyStamp")
+                        .IsConcurrencyToken()
+                        .IsRequired()
+                        .HasMaxLength(40)
+                        .HasColumnType("character varying(40)")
+                        .HasColumnName("ConcurrencyStamp");
+
+                    b.Property<DateTime>("CreationTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("CreationTime");
+
+                    b.Property<Guid?>("CreatorId")
+                        .HasColumnType("uuid")
+                        .HasColumnName("CreatorId");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)");
+
+                    b.Property<string>("DisplayName")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)");
+
+                    b.Property<string>("ExtraProperties")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("ExtraProperties");
+
+                    b.Property<float?>("FrequencyPenalty")
+                        .HasColumnType("real");
+
+                    b.Property<string>("Instructions")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)");
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("boolean");
+
+                    b.Property<bool>("IsSystem")
+                        .HasColumnType("boolean");
+
+                    b.Property<DateTime?>("LastModificationTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("LastModificationTime");
+
+                    b.Property<Guid?>("LastModifierId")
+                        .HasColumnType("uuid")
+                        .HasColumnName("LastModifierId");
+
+                    b.Property<int?>("MaxOutputTokens")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("ModelName")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("character varying(64)");
+
+                    b.Property<float?>("PresencePenalty")
+                        .HasColumnType("real");
+
+                    b.Property<string>("Provider")
+                        .IsRequired()
+                        .HasMaxLength(20)
+                        .HasColumnType("character varying(20)");
+
+                    b.Property<string>("StateCheckers")
+                        .HasMaxLength(256)
+                        .HasColumnType("character varying(256)");
+
+                    b.Property<string>("SystemPrompt")
+                        .HasMaxLength(512)
+                        .HasColumnType("character varying(512)");
+
+                    b.Property<float?>("Temperature")
+                        .HasColumnType("real");
+
+                    b.Property<string>("Tools")
+                        .HasMaxLength(128)
+                        .HasColumnType("character varying(128)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Name")
+                        .IsUnique();
+
+                    b.ToTable("AbpAIWorkspaceDefinitions", (string)null);
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/aspnet-core/aspire/LINGYUN.Abp.MicroService.AIService.EntityFrameworkCore/Migrations/20260327114905_Adjujst-AITool-Description-Length.cs b/aspnet-core/aspire/LINGYUN.Abp.MicroService.AIService.EntityFrameworkCore/Migrations/20260327114905_Adjujst-AITool-Description-Length.cs
new file mode 100644
index 000000000..87096d709
--- /dev/null
+++ b/aspnet-core/aspire/LINGYUN.Abp.MicroService.AIService.EntityFrameworkCore/Migrations/20260327114905_Adjujst-AITool-Description-Length.cs
@@ -0,0 +1,40 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace LINGYUN.Abp.MicroService.AIService.Migrations
+{
+    /// <inheritdoc />
+    public partial class AdjujstAIToolDescriptionLength : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<string>(
+                name: "Description",
+                table: "AbpAIAIToolDefinitionRecords",
+                type: "character varying(1024)",
+                maxLength: 1024,
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "character varying(128)",
+                oldMaxLength: 128,
+                oldNullable: true);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<string>(
+                name: "Description",
+                table: "AbpAIAIToolDefinitionRecords",
+                type: "character varying(128)",
+                maxLength: 128,
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "character varying(1024)",
+                oldMaxLength: 1024,
+                oldNullable: true);
+        }
+    }
+}
diff --git a/aspnet-core/aspire/LINGYUN.Abp.MicroService.AIService.EntityFrameworkCore/Migrations/AIServiceMigrationsDbContextModelSnapshot.cs b/aspnet-core/aspire/LINGYUN.Abp.MicroService.AIService.EntityFrameworkCore/Migrations/AIServiceMigrationsDbContextModelSnapshot.cs
index 6146ee94a..3edded63e 100644
--- a/aspnet-core/aspire/LINGYUN.Abp.MicroService.AIService.EntityFrameworkCore/Migrations/AIServiceMigrationsDbContextModelSnapshot.cs
+++ b/aspnet-core/aspire/LINGYUN.Abp.MicroService.AIService.EntityFrameworkCore/Migrations/AIServiceMigrationsDbContextModelSnapshot.cs
@@ -221,8 +221,8 @@ namespace LINGYUN.Abp.MicroService.AIService.Migrations
                         .HasColumnName("CreatorId");
 
                     b.Property<string>("Description")
-                        .HasMaxLength(128)
-                        .HasColumnType("character varying(128)");
+                        .HasMaxLength(1024)
+                        .HasColumnType("character varying(1024)");
 
                     b.Property<string>("ExtraProperties")
                         .IsRequired()
diff --git a/aspnet-core/modules/ai/LINGYUN.Abp.AIManagement.Domain.Shared/LINGYUN/Abp/AIManagement/Tools/AIToolDefinitionRecordConsts.cs b/aspnet-core/modules/ai/LINGYUN.Abp.AIManagement.Domain.Shared/LINGYUN/Abp/AIManagement/Tools/AIToolDefinitionRecordConsts.cs
index 883809c66..e0289f820 100644
--- a/aspnet-core/modules/ai/LINGYUN.Abp.AIManagement.Domain.Shared/LINGYUN/Abp/AIManagement/Tools/AIToolDefinitionRecordConsts.cs
+++ b/aspnet-core/modules/ai/LINGYUN.Abp.AIManagement.Domain.Shared/LINGYUN/Abp/AIManagement/Tools/AIToolDefinitionRecordConsts.cs
@@ -3,6 +3,6 @@ public static class AIToolDefinitionRecordConsts
 {
     public static int MaxNameLength { get; set; } = 64;
     public static int MaxProviderLength { get; set; } = 20;
-    public static int MaxDescriptionLength { get; set; } = 128;
+    public static int MaxDescriptionLength { get; set; } = 1024;
     public static int MaxStateCheckersLength { get; set; } = 256;
 }