diff --git a/internal/ai/runtime/registry/registry.go b/internal/ai/runtime/registry/registry.go
index fbd3273..714e9de 100644
--- a/internal/ai/runtime/registry/registry.go
+++ b/internal/ai/runtime/registry/registry.go
@@ -3,6 +3,8 @@ package registry
 import (
 	"strings"
 
+	"cs-agent/internal/pkg/toolx"
+
 	einotool "github.com/cloudwego/eino/components/tool"
 )
 
@@ -28,7 +30,7 @@ func (r *Registry) Resolve(ctx Context) (*ToolSet, error) {
 		}
 		toolCode := strings.TrimSpace(toolDef.Code())
 		if len(allowedToolCodes) > 0 {
-			if _, ok := allowedToolCodes[toolCode]; !ok {
+			if _, ok := allowedToolCodes[toolCode]; !ok && !isAlwaysAllowedToolCode(toolCode) {
 				continue
 			}
 		}
@@ -63,3 +65,7 @@ func makeAllowedToolCodeSet(input []string) map[string]struct{} {
 	}
 	return ret
 }
+
+func isAlwaysAllowedToolCode(toolCode string) bool {
+	return strings.TrimSpace(toolCode) == toolx.GraphHandoffConversationToolCode
+}
diff --git a/internal/ai/runtime/service.go b/internal/ai/runtime/service.go
index fbb5eda..b6a0a09 100644
--- a/internal/ai/runtime/service.go
+++ b/internal/ai/runtime/service.go
@@ -95,7 +95,7 @@ func (s *service) prepareToolsForRun(req *Request) error {
 		AIAgent:          req.AIAgent,
 		AIConfig:         req.AIConfig,
 		UserMessage:      req.UserMessage,
-		AllowedToolCodes: ensureCoreGraphToolCodes(resolveAllowedToolCodes(req.AIAgent, req.SelectedSkill)),
+		AllowedToolCodes: resolveAllowedToolCodes(req.AIAgent, req.SelectedSkill),
 	})
 	if err != nil {
 		return err
@@ -113,7 +113,7 @@ func (s *service) prepareToolsForResume(req *ResumeRequest) error {
 		Conversation:     req.Conversation,
 		AIAgent:          req.AIAgent,
 		AIConfig:         req.AIConfig,
-		AllowedToolCodes: ensureCoreGraphToolCodes(parseAgentAllowedToolCodes(req.AIAgent)),
+		AllowedToolCodes: parseAgentAllowedToolCodes(req.AIAgent),
 	})
 	if err != nil {
 		return err
@@ -281,18 +281,3 @@ func resolveAllowedToolCodes(aiAgent *models.AIAgent, skill *models.SkillDefinit
 		return ret
 	}
 }
-
-func ensureCoreGraphToolCodes(toolCodes []string) []string {
-	if len(toolCodes) == 0 {
-		return nil
-	}
-	ret := make([]string, 0, len(toolCodes)+1)
-	ret = append(ret, toolCodes...)
-	for _, item := range ret {
-		if strings.TrimSpace(item) == toolx.GraphHandoffConversationToolCode {
-			return ret
-		}
-	}
-	ret = append(ret, toolx.GraphHandoffConversationToolCode)
-	return ret
-}
diff --git a/internal/controllers/console/ai_agent_controller.go b/internal/controllers/console/ai_agent_controller.go
index 5ab8229..8248413 100644
--- a/internal/controllers/console/ai_agent_controller.go
+++ b/internal/controllers/console/ai_agent_controller.go
@@ -124,9 +124,6 @@ func buildAIAgentResponse(item *models.AIAgent) response.AIAgentResponse {
 		ReplyTimeoutSeconds: item.ReplyTimeoutSeconds,
 		HandoffMode:         item.HandoffMode,
 		HandoffModeName:     enums.GetAIAgentHandoffModeLabel(item.HandoffMode),
-		MaxAIReplyRounds:    item.MaxAIReplyRounds,
-		FallbackMode:        item.FallbackMode,
-		FallbackModeName:    enums.GetAIAgentFallbackModeLabel(item.FallbackMode),
 		FallbackMessage:     item.FallbackMessage,
 		KnowledgeIDs:        utils.SplitInt64s(item.KnowledgeIDs),
 		SkillIDs:            utils.SplitInt64s(item.SkillIDs),
diff --git a/internal/models/models.go b/internal/models/models.go
index 78211ef..972c924 100644
--- a/internal/models/models.go
+++ b/internal/models/models.go
@@ -510,8 +510,6 @@ type AIAgent struct {
 	ReplyTimeoutSeconds int                             `gorm:"type:int;not null;default:180"`               // ReplyTimeoutSeconds 为异步自动回复超时秒数。
 	TeamIDs             string                          `gorm:"type:varchar(500);not null;default:''"`       // TeamIDs 为转人工时可路由的客服组ID列表，多个之间使用逗号分隔。
 	HandoffMode         enums.AIAgentHandoffMode        `gorm:"type:int;not null;default:1"`                 // HandoffMode 为转人工模式，如进入待接入池、进入默认客服组待接入池。
-	MaxAIReplyRounds    int                             `gorm:"type:int;not null;default:2"`                 // MaxAIReplyRounds 为单个会话允许的 AI 最大成功回复次数，超过后强制转人工。
-	FallbackMode        enums.AIAgentFallbackMode       `gorm:"type:int;not null;default:2"`                 // FallbackMode 为无答案或低置信度时的兜底模式。
 	FallbackMessage     string                          `gorm:"type:text"`                                   // FallbackMessage 为兜底回复文案。
 	KnowledgeIDs        string                          `gorm:"type:varchar(500);not null;default:''"`       // KnowledgeIDs 为绑定的知识库ID列表，按顺序表示优先级。
 	SkillIDs            string                          `gorm:"type:varchar(500);not null;default:''"`       // SkillIDs 为绑定的技能ID列表，按顺序表示允许路由的范围。
diff --git a/internal/pkg/dto/request/ai_request.go b/internal/pkg/dto/request/ai_request.go
index 8538179..b8dc1cc 100644
--- a/internal/pkg/dto/request/ai_request.go
+++ b/internal/pkg/dto/request/ai_request.go
@@ -52,8 +52,6 @@ type CreateAIAgentRequest struct {
 	ReplyTimeoutSeconds int                             `json:"replyTimeoutSeconds"`
 	TeamIDs             []int64                         `json:"teamIds"`
 	HandoffMode         enums.AIAgentHandoffMode        `json:"handoffMode"`
-	MaxAIReplyRounds    int                             `json:"maxAiReplyRounds"`
-	FallbackMode        enums.AIAgentFallbackMode       `json:"fallbackMode"`
 	FallbackMessage     string                          `json:"fallbackMessage"`
 	KnowledgeIDs        []int64                         `json:"knowledgeIds"`
 	SkillIDs            []int64                         `json:"skillIds"`
diff --git a/internal/pkg/dto/response/ai_response.go b/internal/pkg/dto/response/ai_response.go
index 4d82516..29ccec4 100644
--- a/internal/pkg/dto/response/ai_response.go
+++ b/internal/pkg/dto/response/ai_response.go
@@ -83,9 +83,6 @@ type AIAgentResponse struct {
 	Teams               []AIAgentTeamResponse           `json:"teams"`
 	HandoffMode         enums.AIAgentHandoffMode        `json:"handoffMode"`
 	HandoffModeName     string                          `json:"handoffModeName"`
-	MaxAIReplyRounds    int                             `json:"maxAiReplyRounds"`
-	FallbackMode        enums.AIAgentFallbackMode       `json:"fallbackMode"`
-	FallbackModeName    string                          `json:"fallbackModeName"`
 	FallbackMessage     string                          `json:"fallbackMessage"`
 	KnowledgeIDs        []int64                         `json:"knowledgeIds"`
 	KnowledgeBaseNames  []string                        `json:"knowledgeBaseNames"`
diff --git a/internal/pkg/enums/im.go b/internal/pkg/enums/im.go
index 809a032..3df47ac 100644
--- a/internal/pkg/enums/im.go
+++ b/internal/pkg/enums/im.go
@@ -212,30 +212,6 @@ func GetAIAgentHandoffModeLabel(mode AIAgentHandoffMode) string {
 	return aiAgentHandoffModeLabelMap[mode]
 }
 
-type AIAgentFallbackMode int
-
-const (
-	AIAgentFallbackModeNoAnswer      AIAgentFallbackMode = 1
-	AIAgentFallbackModeGuideRephrase AIAgentFallbackMode = 2
-	AIAgentFallbackModeHandoff       AIAgentFallbackMode = 3
-)
-
-var AIAgentFallbackModeValues = []AIAgentFallbackMode{
-	AIAgentFallbackModeNoAnswer,
-	AIAgentFallbackModeGuideRephrase,
-	AIAgentFallbackModeHandoff,
-}
-
-var aiAgentFallbackModeLabelMap = map[AIAgentFallbackMode]string{
-	AIAgentFallbackModeNoAnswer:      "直接声明无答案",
-	AIAgentFallbackModeGuideRephrase: "引导补充信息或换个问法",
-	AIAgentFallbackModeHandoff:       "直接转人工",
-}
-
-func GetAIAgentFallbackModeLabel(mode AIAgentFallbackMode) string {
-	return aiAgentFallbackModeLabelMap[mode]
-}
-
 const (
 	IMRealtimeEventConnected               = "connected"
 	IMRealtimeEventPong                    = "pong"
diff --git a/internal/services/ai_agent_service.go b/internal/services/ai_agent_service.go
index cacee9c..68f6091 100644
--- a/internal/services/ai_agent_service.go
+++ b/internal/services/ai_agent_service.go
@@ -101,8 +101,6 @@ func (s *aIAgentService) UpdateAIAgent(req request.UpdateAIAgentRequest, operato
 		"reply_timeout_seconds": item.ReplyTimeoutSeconds,
 		"team_ids":              item.TeamIDs,
 		"handoff_mode":          item.HandoffMode,
-		"max_ai_reply_rounds":   item.MaxAIReplyRounds,
-		"fallback_mode":         item.FallbackMode,
 		"fallback_message":      item.FallbackMessage,
 		"knowledge_ids":         item.KnowledgeIDs,
 		"skill_ids":             item.SkillIDs,
@@ -162,10 +160,6 @@ func (s *aIAgentService) buildAIAgentModel(id int64, req request.CreateAIAgentRe
 	if enums.AIAgentHandoffMode(req.HandoffMode) == enums.AIAgentHandoffModeDefaultTeamPool && len(teamIDs) == 0 {
 		return nil, errorsx.InvalidParam("默认客服组待接入池模式必须至少选择一个客服组")
 	}
-
-	if !slices.Contains(enums.AIAgentFallbackModeValues, enums.AIAgentFallbackMode(req.FallbackMode)) {
-		return nil, errorsx.InvalidParam("兜底模式不合法")
-	}
 	if req.ReplyTimeoutSeconds < 0 {
 		return nil, errorsx.InvalidParam("回复超时秒数不能小于 0")
 	}
@@ -203,8 +197,6 @@ func (s *aIAgentService) buildAIAgentModel(id int64, req request.CreateAIAgentRe
 		ReplyTimeoutSeconds: req.ReplyTimeoutSeconds,
 		TeamIDs:             utils.JoinInt64s(teamIDs),
 		HandoffMode:         req.HandoffMode,
-		MaxAIReplyRounds:    req.MaxAIReplyRounds,
-		FallbackMode:        req.FallbackMode,
 		FallbackMessage:     strings.TrimSpace(req.FallbackMessage),
 		KnowledgeIDs:        utils.JoinInt64s(knowledgeIDs),
 		SkillIDs:            utils.JoinInt64s(skillIDs),
diff --git a/web/app/(console)/ai-agents/_components/edit.tsx b/web/app/(console)/ai-agents/_components/edit.tsx
index aa1d69b..338aa13 100644
--- a/web/app/(console)/ai-agents/_components/edit.tsx
+++ b/web/app/(console)/ai-agents/_components/edit.tsx
@@ -47,8 +47,6 @@ import {
   fetchSkillDefinitionsAll,
 } from "@/lib/api/admin";
 import {
-  AIAgentFallbackMode,
-  AIAgentFallbackModeLabels,
   AIAgentHandoffMode,
   AIAgentHandoffModeLabels,
   AIModelType,
@@ -89,10 +87,6 @@ const schema = z.object({
     .number()
     .min(0, "回复超时秒数必须是大于等于 0 的整数"),
   handoffMode: z.string().trim().min(1, "请选择转人工模式"),
-  maxAiReplyRounds: z
-    .number()
-    .min(0, "AI 最大回复次数必须是大于等于 0 的整数"),
-  fallbackMode: z.string().trim().min(1, "请选择兜底模式"),
   fallbackMessage: z.string().trim(),
   remark: z.string().trim(),
 });
@@ -119,13 +113,6 @@ const handoffModeOptions = getEnumOptions(AIAgentHandoffModeLabels).map(
   }),
 );
 
-const fallbackModeOptions = getEnumOptions(AIAgentFallbackModeLabels).map(
-  (option) => ({
-    value: String(option.value),
-    label: option.label,
-  }),
-).filter((option) => option.value !== String(AIAgentFallbackMode.Handoff));
-
 function buildForm(item: AIAgent | null): EditForm {
   if (!item) {
     return {
@@ -137,8 +124,6 @@ function buildForm(item: AIAgent | null): EditForm {
       welcomeMessage: "",
       replyTimeoutSeconds: 180,
       handoffMode: String(AIAgentHandoffMode.WaitPool),
-      maxAiReplyRounds: 2,
-      fallbackMode: String(AIAgentFallbackMode.GuideRephrase),
       fallbackMessage:
         "我暂时没有找到足够准确的信息。你可以补充订单号、产品名或更具体的问题，我再继续帮你查。",
       remark: "",
@@ -153,8 +138,6 @@ function buildForm(item: AIAgent | null): EditForm {
     welcomeMessage: item.welcomeMessage || "",
     replyTimeoutSeconds: item.replyTimeoutSeconds ?? 180,
     handoffMode: String(item.handoffMode),
-    maxAiReplyRounds: item.maxAiReplyRounds ?? 2,
-    fallbackMode: String(item.fallbackMode),
     fallbackMessage: item.fallbackMessage || "",
     remark: item.remark || "",
   };
@@ -177,8 +160,6 @@ function buildPayload(
     replyTimeoutSeconds: Number(form.replyTimeoutSeconds),
     teamIds,
     handoffMode: Number(form.handoffMode),
-    maxAiReplyRounds: Number(form.maxAiReplyRounds),
-    fallbackMode: Number(form.fallbackMode),
     fallbackMessage: form.fallbackMessage.trim(),
     knowledgeIds,
     skillIds,
@@ -1031,61 +1012,6 @@ function EditDialogBody({
                   <FieldError errors={[errors.replyTimeoutSeconds]} />
                 </FieldContent>
               </Field>
-              <Field data-invalid={!!errors.maxAiReplyRounds}>
-                <FieldLabel
-                  htmlFor="ai-agent-max-rounds"
-                  className="flex items-center gap-1"
-                >
-                  AI 最大回复次数
-                  <Popover>
-                    <PopoverTrigger
-                      render={
-                        <button
-                          type="button"
-                          className="inline-flex items-center justify-center text-muted-foreground hover:text-foreground"
-                        >
-                          <InfoIcon className="size-4" />
-                        </button>
-                      }
-                    />
-                    <PopoverContent side="top" align="start" className="max-w-xs">
-                      <PopoverDescription>
-                        该字段不再触发系统自动转人工，当前仅保留为兼容配置。转人工统一通过 AI 的 handoff_to_human Graph Tool 执行。
-                      </PopoverDescription>
-                    </PopoverContent>
-                  </Popover>
-                </FieldLabel>
-                <FieldContent>
-                  <Input
-                    id="ai-agent-max-rounds"
-                    type="number"
-                    min={0}
-                    step={1}
-                    {...register("maxAiReplyRounds", { valueAsNumber: true })}
-                  />
-                  <FieldError errors={[errors.maxAiReplyRounds]} />
-                </FieldContent>
-              </Field>
-              <Field data-invalid={!!errors.fallbackMode}>
-                <FieldLabel>兜底模式</FieldLabel>
-                <FieldContent>
-                  <Controller
-                    control={control}
-                    name="fallbackMode"
-                    render={({ field }) => (
-                      <OptionCombobox
-                        value={field.value}
-                        options={fallbackModeOptions}
-                        placeholder="请选择兜底模式"
-                        searchPlaceholder="搜索兜底模式"
-                        emptyText="未找到兜底模式"
-                        onChange={field.onChange}
-                      />
-                    )}
-                  />
-                  <FieldError errors={[errors.fallbackMode]} />
-                </FieldContent>
-              </Field>
             </div>
 
             <div className="rounded-xl border bg-muted/10 p-4">
diff --git a/web/lib/api/admin.ts b/web/lib/api/admin.ts
index 06c2dfe..b0a9f2b 100644
--- a/web/lib/api/admin.ts
+++ b/web/lib/api/admin.ts
@@ -207,9 +207,6 @@ export type AIAgent = {
   teams: { id: number; name: string }[]
   handoffMode: number
   handoffModeName: string
-  maxAiReplyRounds: number
-  fallbackMode: number
-  fallbackModeName: string
   fallbackMessage: string
   knowledgeIds: number[]
   knowledgeBaseNames: string[]
@@ -241,8 +238,6 @@ export type CreateAIAgentPayload = {
   replyTimeoutSeconds: number
   teamIds: number[]
   handoffMode: number
-  maxAiReplyRounds: number
-  fallbackMode: number
   fallbackMessage: string
   knowledgeIds: number[]
   skillIds: number[]
diff --git a/web/lib/generated/enums.ts b/web/lib/generated/enums.ts
index 9a9eba2..d16c394 100644
--- a/web/lib/generated/enums.ts
+++ b/web/lib/generated/enums.ts
@@ -1,16 +1,5 @@
 // Code generated by cmd/enums/generator.go. DO NOT EDIT.
 
-export enum AIAgentFallbackMode {
-  NoAnswer = 1,
-  GuideRephrase = 2,
-  Handoff = 3,
-}
-export const AIAgentFallbackModeLabels: Record<AIAgentFallbackMode, string> = {
-  [AIAgentFallbackMode.NoAnswer]: "直接声明无答案",
-  [AIAgentFallbackMode.GuideRephrase]: "引导补充信息或换个问法",
-  [AIAgentFallbackMode.Handoff]: "直接转人工",
-}
-
 export enum AIAgentHandoffMode {
   WaitPool = 1,
   DefaultTeamPool = 2,
@@ -75,9 +64,11 @@ export const ContactTypeLabels: Record<ContactType, string> = {
 
 export enum ExternalSource {
   WebChat = "web_chat",
+  WxWorkKF = "wxwork_kf",
 }
 export const ExternalSourceLabels: Record<ExternalSource, string> = {
   [ExternalSource.WebChat]: "网页客服",
+  [ExternalSource.WxWorkKF]: "企业微信客服",
 }
 
 export enum Gender {
@@ -340,15 +331,6 @@ export const ServiceStatusLabels: Record<ServiceStatus, string> = {
   [ServiceStatus.Busy]: "忙碌",
 }
 
-export enum SkillExecutionMode {
-  PromptOnly = "prompt_only",
-  MCPTool = "mcp_tool",
-}
-export const SkillExecutionModeLabels: Record<SkillExecutionMode, string> = {
-  [SkillExecutionMode.PromptOnly]: "Prompt直出",
-  [SkillExecutionMode.MCPTool]: "MCP工具",
-}
-
 export enum Status {
   Ok = 0,
   Disabled = 1,
@@ -369,19 +351,6 @@ export const ThirdProviderLabels: Record<ThirdProvider, string> = {
   [ThirdProvider.Dingtalk]: "钉钉",
 }
 
-export enum TicketPriority {
-  Low = 1,
-  Normal = 2,
-  High = 3,
-  Urgent = 4,
-}
-export const TicketPriorityLabels: Record<TicketPriority, string> = {
-  [TicketPriority.Low]: "低",
-  [TicketPriority.Normal]: "普通",
-  [TicketPriority.High]: "高",
-  [TicketPriority.Urgent]: "紧急",
-}
-
 export enum TicketSeverity {
   Minor = 1,
   Major = 2,