diff --git a/backend/services/auth-service/src/infrastructure/messaging/cdc/legacy-user-cdc.consumer.ts b/backend/services/auth-service/src/infrastructure/messaging/cdc/legacy-user-cdc.consumer.ts
index eeed68c7..5bcc92b1 100644
--- a/backend/services/auth-service/src/infrastructure/messaging/cdc/legacy-user-cdc.consumer.ts
+++ b/backend/services/auth-service/src/infrastructure/messaging/cdc/legacy-user-cdc.consumer.ts
@@ -2,6 +2,8 @@ import { Injectable, OnModuleInit, OnModuleDestroy, Logger } from '@nestjs/commo
 import { ConfigService } from '@nestjs/config';
 import { Kafka, Consumer, EachMessagePayload } from 'kafkajs';
 import { PrismaService } from '@/infrastructure/persistence/prisma/prisma.service';
+import { OutboxService } from '@/application/services/outbox.service';
+import { LegacyUserMigratedEvent } from '@/domain';
 
 /**
  * ExtractNewRecordState 转换后的消息格式
@@ -37,6 +39,7 @@ export class LegacyUserCdcConsumer implements OnModuleInit, OnModuleDestroy {
   constructor(
     private readonly configService: ConfigService,
     private readonly prisma: PrismaService,
+    private readonly outboxService: OutboxService,
   ) {
     const brokers = this.configService.get<string>('KAFKA_BROKERS', 'localhost:9092').split(',');
 
@@ -118,13 +121,19 @@ export class LegacyUserCdcConsumer implements OnModuleInit, OnModuleDestroy {
       case 'c':  // Create
       case 'r':  // Read (snapshot)
       case 'u':  // Update
-        await this.upsertLegacyUser(event, sequenceNum);
+        await this.upsertLegacyUser(event, sequenceNum, op);
         break;
     }
   }
 
-  private async upsertLegacyUser(user: UnwrappedCdcUser, sequenceNum: bigint) {
+  private async upsertLegacyUser(user: UnwrappedCdcUser, sequenceNum: bigint, op: string) {
     try {
+      // 检查是否是新用户（不存在于数据库中）
+      const existingUser = await this.prisma.syncedLegacyUser.findUnique({
+        where: { legacyId: BigInt(user.user_id) },
+      });
+      const isNewUser = !existingUser;
+
       await this.prisma.syncedLegacyUser.upsert({
         where: { legacyId: BigInt(user.user_id) },
         update: {
@@ -146,6 +155,18 @@ export class LegacyUserCdcConsumer implements OnModuleInit, OnModuleDestroy {
         },
       });
 
+      // 只有新创建的用户才发布事件到 outbox（供 mining-admin-service 消费）
+      // 快照读取 (r) 不发布事件，因为 full-reset 时会通过 publish-all-legacy-users API 统一发布
+      if (isNewUser && op === 'c') {
+        const event = new LegacyUserMigratedEvent(
+          user.account_sequence,
+          user.phone_number || '',
+          new Date(user.registered_at),
+        );
+        await this.outboxService.publish(event);
+        this.logger.log(`Published LegacyUserMigratedEvent for new user: ${user.account_sequence}`);
+      }
+
       this.logger.debug(`Synced legacy user: ${user.account_sequence}`);
     } catch (error) {
       this.logger.error(`Failed to upsert legacy user ${user.user_id}`, error);
diff --git a/backend/services/deploy-mining.sh b/backend/services/deploy-mining.sh
index 75a0ce2a..20761cfc 100755
--- a/backend/services/deploy-mining.sh
+++ b/backend/services/deploy-mining.sh
@@ -747,16 +747,16 @@ full_reset() {
     fi
 
     echo ""
-    log_step "Step 1/8: Stopping 2.0 services..."
+    log_step "Step 1/10: Stopping 2.0 services..."
     for service in "${MINING_SERVICES[@]}"; do
         service_stop "$service"
     done
 
-    log_step "Step 2/8: Waiting for Kafka consumers to become inactive..."
+    log_step "Step 2/10: Waiting for Kafka consumers to become inactive..."
     log_info "Waiting 15 seconds for consumer group session timeout..."
     sleep 15
 
-    log_step "Step 3/8: Resetting CDC consumer offsets..."
+    log_step "Step 3/10: Resetting CDC consumer offsets..."
     # Reset offsets BEFORE migrations (which may start containers)
     for group in "${CDC_CONSUMER_GROUPS[@]}"; do
         log_info "Resetting consumer group: $group"
@@ -793,17 +793,17 @@ full_reset() {
         fi
     done
 
-    log_step "Step 4/8: Dropping 2.0 databases..."
+    log_step "Step 4/10: Dropping 2.0 databases..."
     db_drop
 
-    log_step "Step 5/8: Creating 2.0 databases..."
+    log_step "Step 5/10: Creating 2.0 databases..."
     db_create
 
-    log_step "Step 6/8: Running migrations..."
+    log_step "Step 6/10: Running migrations..."
     db_migrate
 
     # Stop any containers that were started during migration
-    log_step "Step 7/8: Stopping containers and resetting CDC offsets again..."
+    log_step "Step 7/10: Stopping containers and resetting CDC offsets again..."
     log_info "Migration may have started CDC consumers, stopping them now..."
     for service in "${MINING_SERVICES[@]}"; do
         docker compose -f "$COMPOSE_FILE" --env-file "$ENV_FILE" stop "$service" 2>/dev/null || true
@@ -847,16 +847,40 @@ full_reset() {
         fi
     done
 
-    log_step "Step 8/8: Starting 2.0 services..."
+    log_step "Step 8/10: Starting 2.0 services..."
     for service in "${MINING_SERVICES[@]}"; do
         service_start "$service"
     done
 
+    log_step "Step 9/10: Waiting for services to be ready..."
+    log_info "Waiting 20 seconds for all services to start and sync from 1.0 CDC..."
+    sleep 20
+
+    log_step "Step 10/10: Publishing legacy users to mining-admin-service..."
+    # 调用 auth-service API 发布所有旧用户事件到 outbox
+    # 这样 mining-admin-service 才能通过 Debezium 收到用户数据
+    local publish_url="http://localhost:3024/api/v2/admin/legacy-users/publish-all"
+    local publish_result
+    publish_result=$(curl -s -X POST "$publish_url" 2>/dev/null || echo '{"error": "curl failed"}')
+
+    if echo "$publish_result" | grep -q '"success":true'; then
+        local published_count
+        published_count=$(echo "$publish_result" | grep -o '"publishedCount":[0-9]*' | grep -o '[0-9]*')
+        log_success "Published $published_count legacy user events to outbox"
+    else
+        log_warn "Failed to publish legacy users: $publish_result"
+        log_info "You may need to manually call: curl -X POST $publish_url"
+    fi
+
+    # 等待 mining-admin-service 消费 outbox 事件
+    log_info "Waiting 10 seconds for mining-admin-service to sync..."
+    sleep 10
+
     echo ""
     echo -e "${GREEN}${BOLD}╔════════════════════════════════════════════════════════════╗${NC}"
     echo -e "${GREEN}${BOLD}║  Full reset completed successfully!                        ║${NC}"
     echo -e "${GREEN}${BOLD}║                                                            ║${NC}"
-    echo -e "${GREEN}${BOLD}║  The 2.0 system will now sync all data from 1.0 via CDC.   ║${NC}"
+    echo -e "${GREEN}${BOLD}║  The 2.0 system has synced all data from 1.0 via CDC.      ║${NC}"
     echo -e "${GREEN}${BOLD}║  Monitor with: ./deploy-mining.sh logs contribution-service║${NC}"
     echo -e "${GREEN}${BOLD}╚════════════════════════════════════════════════════════════╝${NC}"
 }