diff --git a/blade-third-party-api/blade-bfi-api/src/main/java/org/springblade/thirdparty/bfi/config/BfiProperties.java b/blade-third-party-api/blade-bfi-api/src/main/java/org/springblade/thirdparty/bfi/config/BfiProperties.java
index 3ca3b473..dd979537 100644
--- a/blade-third-party-api/blade-bfi-api/src/main/java/org/springblade/thirdparty/bfi/config/BfiProperties.java
+++ b/blade-third-party-api/blade-bfi-api/src/main/java/org/springblade/thirdparty/bfi/config/BfiProperties.java
@@ -64,4 +64,8 @@ public class BfiProperties {
 	 * 语言字串，默认 zh_CN
 	 */
 	private String language = "zh_CN";
+	/**
+	 * 是否启用 mock 模式（开发调试用）
+	 */
+	private boolean mockEnabled = false;
 }
diff --git a/blade-third-party-api/blade-bfi-api/src/main/java/org/springblade/thirdparty/bfi/pojo/dto/BfiReceivedInvoiceQueryDTO.java b/blade-third-party-api/blade-bfi-api/src/main/java/org/springblade/thirdparty/bfi/pojo/dto/BfiReceivedInvoiceQueryDTO.java
index c2a2e18b..604d0ee2 100644
--- a/blade-third-party-api/blade-bfi-api/src/main/java/org/springblade/thirdparty/bfi/pojo/dto/BfiReceivedInvoiceQueryDTO.java
+++ b/blade-third-party-api/blade-bfi-api/src/main/java/org/springblade/thirdparty/bfi/pojo/dto/BfiReceivedInvoiceQueryDTO.java
@@ -65,7 +65,7 @@ public class BfiReceivedInvoiceQueryDTO implements Serializable {
 	/**
 	 * 【必填】修改时间-开始，格式：yyyy-MM-dd HH:mm:ss
 	 */
-	private String modifytime;
+	private String modifytimeS;
 	/**
 	 * 【必填】修改时间-结束，格式：yyyy-MM-dd HH:mm:ss
 	 */
diff --git a/blade-third-party-api/blade-bfi-api/src/main/java/org/springblade/thirdparty/bfi/service/impl/BfiServiceImpl.java b/blade-third-party-api/blade-bfi-api/src/main/java/org/springblade/thirdparty/bfi/service/impl/BfiServiceImpl.java
index 478ef6d0..a2d84e33 100644
--- a/blade-third-party-api/blade-bfi-api/src/main/java/org/springblade/thirdparty/bfi/service/impl/BfiServiceImpl.java
+++ b/blade-third-party-api/blade-bfi-api/src/main/java/org/springblade/thirdparty/bfi/service/impl/BfiServiceImpl.java
@@ -404,6 +404,10 @@ public class BfiServiceImpl implements IBfiService {
 		if (param == null || StringUtil.isBlank(param.getSerialNo()) || StringUtil.isBlank(param.getSellerTaxpayerId())) {
 			throw new BfiException("查询BFI开票申请发票失败，单据编号与销方税号不能为空");
 		}
+		if (properties.isMockEnabled()) {
+			log.info("【MOCK】查询BFI开票申请发票，serialNo={}", param.getSerialNo());
+			return mockQueryInvoiceApplyInvoice();
+		}
 		// data 原文需序列化为 JSON 后 Base64 编码
 		String data = Base64.getEncoder().encodeToString(JSONUtil.toJsonStr(param).getBytes(StandardCharsets.UTF_8));
 		BfiInvoiceApplyOpenApiBodyDTO body = new BfiInvoiceApplyOpenApiBodyDTO();
@@ -443,7 +447,7 @@ public class BfiServiceImpl implements IBfiService {
 
 	@Override
 	public BfiPageVO<BfiReceivedInvoiceVO> queryReceivedInvoice(BfiReceivedInvoiceQueryDTO param) {
-		if (param == null || StringUtil.isBlank(param.getModifytime()) || StringUtil.isBlank(param.getModifytimeE())) {
+		if (param == null || StringUtil.isBlank(param.getModifytimeS()) || StringUtil.isBlank(param.getModifytimeE())) {
 			throw new BfiException("查询BFI收票单失败，修改时间范围不能为空");
 		}
 		String accessToken = getAccessToken();
@@ -638,4 +642,22 @@ public class BfiServiceImpl implements IBfiService {
 		long expireMillis = tokenVO.getExpiresIn() - BfiConstant.TOKEN_EXPIRE_BUFFER_MILLIS;
 		bladeRedis.getValueOps().setIfAbsent(BfiConstant.BFI_TOKEN_CACHE_KEY, tokenVO.getAccessToken(), Duration.ofMillis(expireMillis));
 	}
+
+	/**
+	 * Mock 开票申请发票查询（开发调试用）
+	 *
+	 * @return mock 发票查询结果
+	 */
+	private BfiOpenApiResultVO<List<BfiInvoiceApplyOpenApiBillVO>> mockQueryInvoiceApplyInvoice() {
+		String mockData = "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";
+		BfiOpenApiResultVO<List<BfiInvoiceApplyOpenApiBillVO>> result = new BfiOpenApiResultVO<>();
+		result.setErrorCode("0");
+		result.setSuccess(true);
+		String decodedJson = new String(Base64.getDecoder().decode(mockData), StandardCharsets.UTF_8);
+		JSONObject decodedObj = JSONUtil.parseObj(decodedJson);
+		result.setErrorCode(decodedObj.getStr("errorCode"));
+		result.setSuccess(decodedObj.getBool("success"));
+		result.setData(decodedObj.getBeanList("data", BfiInvoiceApplyOpenApiBillVO.class));
+		return result;
+	}
 }
diff --git a/blade-third-party-api/blade-bfi-api/src/test/java/org/springblade/thirdparty/bfi/service/BfiServiceImplTest.java b/blade-third-party-api/blade-bfi-api/src/test/java/org/springblade/thirdparty/bfi/service/BfiServiceImplTest.java
index 2f579fce..9205574a 100644
--- a/blade-third-party-api/blade-bfi-api/src/test/java/org/springblade/thirdparty/bfi/service/BfiServiceImplTest.java
+++ b/blade-third-party-api/blade-bfi-api/src/test/java/org/springblade/thirdparty/bfi/service/BfiServiceImplTest.java
@@ -46,7 +46,6 @@ import org.springblade.thirdparty.bfi.pojo.dto.BfiApBillSaveEntryDTO;
 import org.springblade.thirdparty.bfi.pojo.dto.BfiArBillQueryDTO;
 import org.springblade.thirdparty.bfi.pojo.dto.BfiArBillSaveDTO;
 import org.springblade.thirdparty.bfi.pojo.dto.BfiArBillSaveEntryDTO;
-import org.springblade.thirdparty.bfi.pojo.dto.BfiClaimAnnounceQueryDTO;
 import org.springblade.thirdparty.bfi.pojo.dto.BfiClaimPushDTO;
 import org.springblade.thirdparty.bfi.pojo.dto.BfiClaimPushEntryDTO;
 import org.springblade.thirdparty.bfi.pojo.dto.BfiCustomerQueryDTO;
@@ -449,7 +448,7 @@ class BfiServiceImplTest {
 		BfiPageVO<BfiReceivedInvoiceVO> page = new BfiPageVO<>();
 		when(client.receivedInvoiceQuery(anyString(), any(BfiReceivedInvoiceQueryDTO.class))).thenReturn(success(page));
 		BfiReceivedInvoiceQueryDTO param = new BfiReceivedInvoiceQueryDTO();
-		param.setModifytime("2026-09-08 10:36:29");
+		param.setModifytimeS("2026-09-08 10:36:29");
 		param.setModifytimeE("2026-09-08 10:39:36");
 		assertEquals(page, service.queryReceivedInvoice(param));
 	}