diff --git a/backend/services/identity-service/scripts/rebuild-kafka.sh b/backend/services/identity-service/scripts/rebuild-kafka.sh
new file mode 100644
index 00000000..d2ebe801
--- /dev/null
+++ b/backend/services/identity-service/scripts/rebuild-kafka.sh
@@ -0,0 +1,76 @@
+#!/bin/bash
+# 重建 Kafka 容器以应用新的配置
+
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+RED='\033[0;31m'
+BLUE='\033[0;34m'
+NC='\033[0m'
+
+echo -e "${YELLOW}🔄 重建 Kafka 容器...${NC}"
+echo ""
+
+# 1. 停止 Identity Service (如果在运行)
+echo -e "${BLUE}步骤 1: 停止 Identity Service${NC}"
+PID=$(lsof -ti :3000 2>/dev/null)
+if [ ! -z "$PID" ]; then
+    echo "停止 Identity Service (PID: $PID)..."
+    kill $PID
+    sleep 2
+    echo -e "${GREEN}✓ Identity Service 已停止${NC}"
+else
+    echo -e "${YELLOW}⚠️  Identity Service 未在运行${NC}"
+fi
+echo ""
+
+# 2. 停止并删除 Kafka 和 Zookeeper 容器
+echo -e "${BLUE}步骤 2: 停止并删除旧容器${NC}"
+docker compose stop kafka zookeeper
+docker compose rm -f kafka zookeeper
+echo -e "${GREEN}✓ 旧容器已删除${NC}"
+echo ""
+
+# 3. 重新创建容器
+echo -e "${BLUE}步骤 3: 创建新容器${NC}"
+docker compose up -d zookeeper
+echo "等待 Zookeeper 启动..."
+sleep 5
+
+docker compose up -d kafka
+echo "等待 Kafka 启动..."
+sleep 20
+echo -e "${GREEN}✓ Kafka 容器已创建${NC}"
+echo ""
+
+# 4. 验证新配置
+echo -e "${BLUE}步骤 4: 验证配置${NC}"
+ADVERTISED=$(docker inspect identity-service-kafka-1 2>/dev/null | grep -A 1 "KAFKA_ADVERTISED_LISTENERS" | head -1)
+
+if echo "$ADVERTISED" | grep -q "localhost:9092"; then
+    echo -e "${GREEN}✓ Kafka 配置已更新！${NC}"
+    echo "$ADVERTISED"
+else
+    echo -e "${RED}✗ Kafka 配置仍然不正确${NC}"
+    echo "$ADVERTISED"
+    exit 1
+fi
+echo ""
+
+# 5. 测试连接
+echo -e "${BLUE}步骤 5: 测试 Kafka 连接${NC}"
+if nc -zv localhost 9092 2>&1 | grep -q "succeeded"; then
+    echo -e "${GREEN}✓ Kafka 端口可访问${NC}"
+else
+    echo -e "${RED}✗ Kafka 端口不可访问${NC}"
+    exit 1
+fi
+echo ""
+
+echo -e "${YELLOW}======================================${NC}"
+echo -e "${GREEN}✓ Kafka 重建完成！${NC}"
+echo -e "${YELLOW}======================================${NC}"
+echo ""
+echo -e "${BLUE}下一步：${NC}"
+echo "1. 启动 Identity Service: npm run start:dev"
+echo "2. 运行健康检查: ./scripts/health-check.sh"
+echo "3. 运行快速测试: ./scripts/quick-test.sh"