diff --git a/backend/services/trading-service/src/application/services/market-maker.service.ts b/backend/services/trading-service/src/application/services/market-maker.service.ts
index 359ce859..84521957 100644
--- a/backend/services/trading-service/src/application/services/market-maker.service.ts
+++ b/backend/services/trading-service/src/application/services/market-maker.service.ts
@@ -1,4 +1,5 @@
 import { Injectable, Logger } from '@nestjs/common';
+import { ConfigService } from '@nestjs/config';
 import { PrismaService } from '../../infrastructure/persistence/prisma/prisma.service';
 import { RedisService } from '../../infrastructure/redis/redis.service';
 import { OrderRepository } from '../../infrastructure/persistence/repositories/order.repository';
@@ -70,6 +71,7 @@ export class MarketMakerService {
     private readonly accountRepository: TradingAccountRepository,
     private readonly orderService: OrderService,
     private readonly priceService: PriceService,
+    private readonly configService: ConfigService,
   ) {}
 
   /**
@@ -150,6 +152,18 @@ export class MarketMakerService {
     // 检查是否已存在
     const existing = await this.getConfig(name);
     if (existing) {
+      // 如果存在但钱包地址为空，尝试从环境变量更新
+      if (!existing.kavaWalletAddress) {
+        const kavaWalletAddress = this.configService.get<string>('FUSDT_MARKET_MAKER_ADDRESS');
+        if (kavaWalletAddress) {
+          await this.prisma.marketMakerConfig.update({
+            where: { name },
+            data: { kavaWalletAddress },
+          });
+          this.logger.log(`Market maker ${name} wallet address updated from env: ${kavaWalletAddress}`);
+          return this.getConfig(name) as Promise<MarketMakerConfig>;
+        }
+      }
       return existing;
     }
 
@@ -160,6 +174,9 @@ export class MarketMakerService {
       await this.accountRepository.save(tradingAccount);
     }
 
+    // 从环境变量读取做市商钱包地址
+    const kavaWalletAddress = this.configService.get<string>('FUSDT_MARKET_MAKER_ADDRESS') || null;
+
     // 创建做市商配置
     const config = await this.prisma.marketMakerConfig.create({
       data: {
@@ -169,10 +186,11 @@ export class MarketMakerService {
         maxBuyRatio: params.maxBuyRatio || 0.05,
         minIntervalMs: params.minIntervalMs || 1000,
         maxIntervalMs: params.maxIntervalMs || 1000,
+        kavaWalletAddress,
       },
     });
 
-    this.logger.log(`Market maker initialized: ${name}, account: ${params.accountSequence}`);
+    this.logger.log(`Market maker initialized: ${name}, account: ${params.accountSequence}, wallet: ${kavaWalletAddress || 'not configured'}`);
 
     return this.getConfig(name) as Promise<MarketMakerConfig>;
   }