diff --git a/blade-service/blade-transport/src/main/java/org/springblade/transport/controller/CustomerArchiveController.java b/blade-service/blade-transport/src/main/java/org/springblade/transport/controller/CustomerArchiveController.java
index b0580c5a..45eb0674 100644
--- a/blade-service/blade-transport/src/main/java/org/springblade/transport/controller/CustomerArchiveController.java
+++ b/blade-service/blade-transport/src/main/java/org/springblade/transport/controller/CustomerArchiveController.java
@@ -198,6 +198,16 @@ public class CustomerArchiveController extends BladeController {
 		return R.data(customerArchiveService.syncKingdee(id));
 	}
 
+	/**
+	 * 金蝶供应商编码查询（A901-1，新增客商填写信用代码后即时回显用）
+	 */
+	@GetMapping("/query-supplier-code")
+	@ApiOperationSupport(order = 12)
+	@Operation(summary = "金蝶供应商编码查询", description = "A901-1 按统一社会信用代码查询金蝶供应商档案取编码，查不到返回空")
+	public R<String> querySupplierCode(@Parameter(description = "统一社会信用代码", required = true) @RequestParam String unifiedCreditCode) {
+		return R.data(customerArchiveService.querySupplierCode(unifiedCreditCode));
+	}
+
 	/**
 	 * 评分明细模板
 	 */
diff --git a/blade-service/blade-transport/src/main/java/org/springblade/transport/service/ICustomerArchiveService.java b/blade-service/blade-transport/src/main/java/org/springblade/transport/service/ICustomerArchiveService.java
index e50f1a47..8f779ca2 100644
--- a/blade-service/blade-transport/src/main/java/org/springblade/transport/service/ICustomerArchiveService.java
+++ b/blade-service/blade-transport/src/main/java/org/springblade/transport/service/ICustomerArchiveService.java
@@ -196,6 +196,14 @@ public interface ICustomerArchiveService extends BaseService<CustomerArchive> {
 	 */
 	CustomerArchive syncKingdee(Long id);
 
+	/**
+	 * A901-1 按统一社会信用代码查询金蝶供应商编码（新增客商填写信用代码后即时回显用），查不到返回 null
+	 *
+	 * @param unifiedCreditCode 统一社会信用代码
+	 * @return 金蝶供应商编码
+	 */
+	String querySupplierCode(String unifiedCreditCode);
+
 	/**
 	 * 推送失败状态落库（独立事务）：推送主事务已回滚，失败状态与原因单独落库供页面展示与手动重推
 	 *
diff --git a/blade-service/blade-transport/src/main/java/org/springblade/transport/service/impl/CustomerArchiveServiceImpl.java b/blade-service/blade-transport/src/main/java/org/springblade/transport/service/impl/CustomerArchiveServiceImpl.java
index d670531e..a83d23ee 100644
--- a/blade-service/blade-transport/src/main/java/org/springblade/transport/service/impl/CustomerArchiveServiceImpl.java
+++ b/blade-service/blade-transport/src/main/java/org/springblade/transport/service/impl/CustomerArchiveServiceImpl.java
@@ -667,6 +667,11 @@ public class CustomerArchiveServiceImpl extends BaseServiceImpl<CustomerArchiveM
 		}
 	}
 
+	@Override
+	public String querySupplierCode(String unifiedCreditCode) {
+		return this.queryKingdeeSupplierNumber(unifiedCreditCode);
+	}
+
 	/**
 	 * 金蝶已存在档案时，客商编号（customer_code）采纳金蝶客商编码，后续业务接口沿用客商编号即拿到金蝶编码；
 	 * 金蝶编码为空或与当前编号一致时无需处理；同租户下已被其他客商占用时跳过回填，避免违反 uk_customer_archive_code 唯一约束