diff --git a/scfs-api-core/src/main/java/com/czcb/scfs/api/core/PageApiRequest.java b/scfs-api-core/src/main/java/com/czcb/scfs/api/core/PageApiRequest.java
new file mode 100644
index 0000000..b0721ae
--- /dev/null
+++ b/scfs-api-core/src/main/java/com/czcb/scfs/api/core/PageApiRequest.java
@@ -0,0 +1,21 @@
+package com.czcb.scfs.api.core;
+
+/**
+ * @author wangwei
+ * @since 2.0.0
+ */
+public interface PageApiRequest extends ApiRequest {
+    /**
+     * 当前页码，默认0
+     */
+    default Long getCurrentPage() {
+        return 0L;
+    }
+
+    /**
+     * 每页行数，默认50
+     */
+    default Long getCurrentRows() {
+        return 50L;
+    }
+}
diff --git a/scfs-api-core/src/main/java/com/czcb/scfs/api/core/PageApiResponse.java b/scfs-api-core/src/main/java/com/czcb/scfs/api/core/PageApiResponse.java
new file mode 100644
index 0000000..353de1a
--- /dev/null
+++ b/scfs-api-core/src/main/java/com/czcb/scfs/api/core/PageApiResponse.java
@@ -0,0 +1,35 @@
+package com.czcb.scfs.api.core;
+
+/**
+ * @author wangwei
+ * @since 2.0.0
+ */
+public interface PageApiResponse extends ApiResponse {
+    /**
+     * 当前页码，默认0
+     */
+    default Long getCurrentPage() {
+        return 0L;
+    }
+
+    /**
+     * 数据总条数
+     */
+    default Long getTotalRows() {
+        return 0L;
+    }
+
+    /**
+     * 总页数
+     */
+    default Long getTotalPage() {
+        return 0L;
+    }
+
+    /**
+     * 是否有下页
+     */
+    default boolean hasNextPage() {
+        return (getCurrentPage() + 1) < getTotalPage();
+    }
+}
diff --git a/scfs-api-service-equity/src/main/java/com/czcb/scfs/service/equity/invoice/InvoiceService.java b/scfs-api-service-equity/src/main/java/com/czcb/scfs/service/equity/invoice/InvoiceService.java
index 680a2b3..c1bad2f 100644
--- a/scfs-api-service-equity/src/main/java/com/czcb/scfs/service/equity/invoice/InvoiceService.java
+++ b/scfs-api-service-equity/src/main/java/com/czcb/scfs/service/equity/invoice/InvoiceService.java
@@ -1,6 +1,15 @@
 package com.czcb.scfs.service.equity.invoice;
 
 import com.czcb.scfs.api.core.ApiClient;
+import com.czcb.scfs.api.core.http.HttpHeaders;
+import com.czcb.scfs.api.core.http.HttpResponse;
+import com.czcb.scfs.service.equity.invoice.model.InvoiceAddRequest;
+import com.czcb.scfs.service.equity.invoice.model.InvoiceAddResponse;
+import com.czcb.scfs.service.equity.invoice.model.InvoiceQueryRequest;
+import com.czcb.scfs.service.equity.invoice.model.InvoiceQueryResponse;
+
+import static com.czcb.scfs.api.core.Constants.API_VERSION;
+import static com.czcb.scfs.api.core.Constants.V_2;
 
 /**
  * @author wangwei
@@ -12,4 +21,48 @@ public class InvoiceService {
     public InvoiceService(ApiClient apiClient) {
         this.apiClient = apiClient;
     }
+
+    /**
+     * 添加发票
+     */
+    public InvoiceAddResponse add(InvoiceAddRequest request) {
+        String url = "/invoice/add";
+        HttpHeaders headers = new HttpHeaders();
+        headers.addHeader(API_VERSION, V_2);
+        HttpResponse<InvoiceAddResponse> httpResponse = apiClient.post(url, headers, request.toJsonRequest(), InvoiceAddResponse.class);
+        return httpResponse.getServiceResponse();
+    }
+
+    /**
+     * 删除发票
+     */
+    public InvoiceAddResponse delete(InvoiceAddRequest request) {
+        String url = "/invoice/delete";
+        HttpHeaders headers = new HttpHeaders();
+        headers.addHeader(API_VERSION, V_2);
+        HttpResponse<InvoiceAddResponse> httpResponse = apiClient.post(url, headers, request.toJsonRequest(), InvoiceAddResponse.class);
+        return httpResponse.getServiceResponse();
+    }
+
+    /**
+     * 删除发票-批量删除
+     */
+    public InvoiceAddResponse deleteBatch(InvoiceAddRequest request) {
+        String url = "/invoice/delete/batch";
+        HttpHeaders headers = new HttpHeaders();
+        headers.addHeader(API_VERSION, V_2);
+        HttpResponse<InvoiceAddResponse> httpResponse = apiClient.post(url, headers, request.toJsonRequest(), InvoiceAddResponse.class);
+        return httpResponse.getServiceResponse();
+    }
+
+    /**
+     * 删除发票-批量删除
+     */
+    public InvoiceQueryResponse query(InvoiceQueryRequest request) {
+        String url = "/invoice/query";
+        HttpHeaders headers = new HttpHeaders();
+        headers.addHeader(API_VERSION, V_2);
+        HttpResponse<InvoiceQueryResponse> httpResponse = apiClient.post(url, headers, request.toJsonRequest(), InvoiceQueryResponse.class);
+        return httpResponse.getServiceResponse();
+    }
 }
diff --git a/scfs-api-service-equity/src/main/java/com/czcb/scfs/service/equity/invoice/model/InvoiceAddRequest.java b/scfs-api-service-equity/src/main/java/com/czcb/scfs/service/equity/invoice/model/InvoiceAddRequest.java
new file mode 100644
index 0000000..7ea3935
--- /dev/null
+++ b/scfs-api-service-equity/src/main/java/com/czcb/scfs/service/equity/invoice/model/InvoiceAddRequest.java
@@ -0,0 +1,108 @@
+package com.czcb.scfs.service.equity.invoice.model;
+
+import com.czcb.scfs.api.core.ApiRequest;
+import com.google.gson.annotations.SerializedName;
+import lombok.Data;
+import lombok.experimental.Accessors;
+
+import java.math.BigDecimal;
+import java.util.Date;
+
+/**
+ * @author wangwei
+ * @since 2024/7/8
+ */
+@Data
+@Accessors(chain = true)
+public class InvoiceAddRequest implements ApiRequest {
+    /**
+     * 渠道编号
+     */
+    @SerializedName("channel_no")
+    private String channelNo;
+
+    /**
+     * 应用编号
+     */
+    @SerializedName("app_no")
+    private String appNo;
+
+    /**
+     * 流水号
+     */
+    @SerializedName("serial_no")
+    private String serialNo;
+
+    /**
+     * 操作日期
+     */
+    @SerializedName("trans_date")
+    private String transDate;
+
+    /**
+     * 操作时间
+     */
+    @SerializedName("trans_tradetime")
+    private String transTradeTime;
+
+    /**
+     * 发票编号
+     */
+    @SerializedName("invoice_no")
+    private String invoiceNo;
+    /**
+     * 发票类型 1、通用发票 2、累计循环发票
+     */
+    @SerializedName("invoice_type")
+    private String invoiceType;
+    /**
+     * 发票登记日期
+     */
+    @SerializedName("invoice_register_date")
+    private Date invoiceRegisterDate;
+    /**
+     * 付款账户账号
+     */
+    @SerializedName("account_no")
+    private String accountNo;
+    /**
+     * 付款账户户名
+     */
+    @SerializedName("account_name")
+    private String accountName;
+    /**
+     * 收款账户账号（入账账户）
+     */
+    @SerializedName("opp_account_no")
+    private String oppAccountNo;
+    /**
+     * 收款账户户名（入账账户）
+     */
+    @SerializedName("opp_account_name")
+    private String oppAccountName;
+    /**
+     * 归集账户账号（待清算账户/可控电商A2）
+     */
+    @SerializedName("settle_account_no")
+    private String settleAccountNo;
+    /**
+     * 归集账户户名（待清算账户/可控电商A2）
+     */
+    @SerializedName("settle_account_name")
+    private String settleAccountName;
+    /**
+     * 发票归属日期起
+     */
+    @SerializedName("invoice_belong_start_date")
+    private Date invoiceBelongStartDate;
+    /**
+     * 发票归属日期止
+     */
+    @SerializedName("invoice_belong_end_date")
+    private Date invoiceBelongEndDate;
+    /**
+     * 发票金额
+     */
+    @SerializedName("invoice_amount")
+    private BigDecimal invoiceAmount;
+}
diff --git a/scfs-api-service-equity/src/main/java/com/czcb/scfs/service/equity/invoice/model/InvoiceAddResponse.java b/scfs-api-service-equity/src/main/java/com/czcb/scfs/service/equity/invoice/model/InvoiceAddResponse.java
new file mode 100644
index 0000000..28c8d45
--- /dev/null
+++ b/scfs-api-service-equity/src/main/java/com/czcb/scfs/service/equity/invoice/model/InvoiceAddResponse.java
@@ -0,0 +1,43 @@
+package com.czcb.scfs.service.equity.invoice.model;
+
+import com.czcb.scfs.api.core.ApiRequest;
+import com.google.gson.annotations.SerializedName;
+import lombok.Data;
+import lombok.experimental.Accessors;
+
+/**
+ * @author wangwei
+ * @since 2024/7/8
+ */
+@Data
+@Accessors(chain = true)
+public class InvoiceAddResponse implements ApiRequest {
+    /**
+     * 000000：表示成功
+     */
+    @SerializedName("recode")
+    private String recode;
+
+    /**
+     * 结果信息
+     */
+    @SerializedName("recode_info")
+    private String recodeInfo;
+    /**
+     * 系统流水号
+     */
+    @SerializedName("sys_serial_no")
+    private String sysSerialNo;
+
+    /**
+     * 系统日期（YYYY-MM-DD）
+     */
+    @SerializedName("sys_date")
+    private String sysDate;
+
+    /**
+     * 系统时间（YYYY-MM-DD hh:mm:ss）
+     */
+    @SerializedName("sys_time")
+    private String sysTime;
+}
diff --git a/scfs-api-service-equity/src/main/java/com/czcb/scfs/service/equity/invoice/model/InvoiceQueryRequest.java b/scfs-api-service-equity/src/main/java/com/czcb/scfs/service/equity/invoice/model/InvoiceQueryRequest.java
new file mode 100644
index 0000000..0c3cc03
--- /dev/null
+++ b/scfs-api-service-equity/src/main/java/com/czcb/scfs/service/equity/invoice/model/InvoiceQueryRequest.java
@@ -0,0 +1,108 @@
+package com.czcb.scfs.service.equity.invoice.model;
+
+import com.czcb.scfs.api.core.PageApiRequest;
+import com.google.gson.annotations.SerializedName;
+import lombok.Data;
+import lombok.experimental.Accessors;
+
+import java.math.BigDecimal;
+import java.util.Date;
+
+/**
+ * @author wangwei
+ * @since 2024/7/8
+ */
+@Data
+@Accessors(chain = true)
+public class InvoiceQueryRequest implements PageApiRequest {
+    /**
+     * 渠道编号
+     */
+    @SerializedName("channel_no")
+    private String channelNo;
+
+    /**
+     * 应用编号
+     */
+    @SerializedName("app_no")
+    private String appNo;
+
+    /**
+     * 流水号
+     */
+    @SerializedName("serial_no")
+    private String serialNo;
+
+    /**
+     * 操作日期
+     */
+    @SerializedName("trans_date")
+    private String transDate;
+
+    /**
+     * 操作时间
+     */
+    @SerializedName("trans_tradetime")
+    private String transTradeTime;
+
+    /**
+     * 发票编号
+     */
+    @SerializedName("invoice_no")
+    private String invoiceNo;
+    /**
+     * 发票类型 1、通用发票 2、累计循环发票
+     */
+    @SerializedName("invoice_type")
+    private String invoiceType;
+    /**
+     * 发票登记日期
+     */
+    @SerializedName("invoice_register_date")
+    private Date invoiceRegisterDate;
+    /**
+     * 付款账户账号
+     */
+    @SerializedName("account_no")
+    private String accountNo;
+    /**
+     * 付款账户户名
+     */
+    @SerializedName("account_name")
+    private String accountName;
+    /**
+     * 收款账户账号（入账账户）
+     */
+    @SerializedName("opp_account_no")
+    private String oppAccountNo;
+    /**
+     * 收款账户户名（入账账户）
+     */
+    @SerializedName("opp_account_name")
+    private String oppAccountName;
+    /**
+     * 归集账户账号（待清算账户/可控电商A2）
+     */
+    @SerializedName("settle_account_no")
+    private String settleAccountNo;
+    /**
+     * 归集账户户名（待清算账户/可控电商A2）
+     */
+    @SerializedName("settle_account_name")
+    private String settleAccountName;
+    /**
+     * 发票归属日期起
+     */
+    @SerializedName("invoice_belong_start_date")
+    private Date invoiceBelongStartDate;
+    /**
+     * 发票归属日期止
+     */
+    @SerializedName("invoice_belong_end_date")
+    private Date invoiceBelongEndDate;
+    /**
+     * 发票金额
+     */
+    @SerializedName("invoice_amount")
+    private BigDecimal invoiceAmount;
+}
diff --git a/scfs-api-service-equity/src/main/java/com/czcb/scfs/service/equity/invoice/model/InvoiceQueryResponse.java b/scfs-api-service-equity/src/main/java/com/czcb/scfs/service/equity/invoice/model/InvoiceQueryResponse.java
new file mode 100644
index 0000000..b61d3db
--- /dev/null
+++ b/scfs-api-service-equity/src/main/java/com/czcb/scfs/service/equity/invoice/model/InvoiceQueryResponse.java
@@ -0,0 +1,43 @@
+package com.czcb.scfs.service.equity.invoice.model;
+
+import com.czcb.scfs.api.core.PageApiResponse;
+import com.google.gson.annotations.SerializedName;
+import lombok.Data;
+import lombok.experimental.Accessors;
+
+/**
+ * @author wangwei
+ * @since 2024/7/8
+ */
+@Data
+@Accessors(chain = true)
+public class InvoiceQueryResponse implements PageApiResponse {
+    /**
+     * 000000：表示成功
+     */
+    @SerializedName("recode")
+    private String recode;
+
+    /**
+     * 结果信息
+     */
+    @SerializedName("recode_info")
+    private String recodeInfo;
+    /**
+     * 系统流水号
+     */
+    @SerializedName("sys_serial_no")
+    private String sysSerialNo;
+
+    /**
+     * 系统日期（YYYY-MM-DD）
+     */
+    @SerializedName("sys_date")
+    private String sysDate;
+
+    /**
+     * 系统时间（YYYY-MM-DD hh:mm:ss）
+     */
+    @SerializedName("sys_time")
+    private String sysTime;
+}
diff --git a/scfs-api-service/src/main/java/com/czcb/scfs/api/service/echo/EchoService.java b/scfs-api-service/src/main/java/com/czcb/scfs/api/service/echo/EchoService.java
index 0d3d591..763a24c 100644
--- a/scfs-api-service/src/main/java/com/czcb/scfs/api/service/echo/EchoService.java
+++ b/scfs-api-service/src/main/java/com/czcb/scfs/api/service/echo/EchoService.java
@@ -25,7 +25,6 @@ public class EchoService {
     }
 
     public void echo() {
-        String url = "/echo";
         EchoRequest request = new EchoRequest();
         request.setDatetime(DateTimes.ofNow());
         request.setChannelNo(apiClient.getProfile().getChannel().getChannelNo());
@@ -33,7 +32,12 @@ public class EchoService {
         request.setSerialNo(Nonce.ofNonce());
         request.setTransDate(DateTimes.ofNowDate());
         request.setTransTradeTime(DateTimes.ofNow());
-        
+
+        echo(request);
+    }
+
+    public void echo(EchoRequest request) {
+        String url = "/echo";
         HttpHeaders headers = new HttpHeaders();
         HttpResponse<EchoResponse> response = apiClient.post(url, headers, request.toJsonRequest(), EchoResponse.class);
         if (Objects.isNull(response.getServiceResponse()) || !response.getServiceResponse().ok()) {
diff --git a/scfs-api-service/src/test/java/com/czcb/scfs/api/service/echo/EchoServiceTest.java b/scfs-api-service/src/test/java/com/czcb/scfs/api/service/echo/EchoServiceTest.java
index 9376515..c13d8b3 100644
--- a/scfs-api-service/src/test/java/com/czcb/scfs/api/service/echo/EchoServiceTest.java
+++ b/scfs-api-service/src/test/java/com/czcb/scfs/api/service/echo/EchoServiceTest.java
@@ -3,7 +3,9 @@ package com.czcb.scfs.api.service.echo;
 import com.czcb.scfs.api.core.ApiClient;
 import com.czcb.scfs.api.core.exception.ValidationException;
 import com.czcb.scfs.api.core.http.HttpMethod;
+import com.czcb.scfs.api.core.util.DateTimes;
 import com.czcb.scfs.api.core.util.Json;
+import com.czcb.scfs.api.core.util.Nonce;
 import com.czcb.scfs.api.service.MockResponse;
 import com.czcb.scfs.api.service.echo.model.EchoRequest;
 import com.czcb.scfs.api.service.echo.model.EchoResponse;
@@ -40,7 +42,30 @@ class EchoServiceTest {
         ApiClient apiClient = MockResponse.getApiClient();
         EchoService service = new EchoService(apiClient);
 
-        Assertions.assertDoesNotThrow(service::echo);
+        Assertions.assertDoesNotThrow(() -> service.echo());
+    }
+
+    @Test
+    void pingParams() {
+        EchoResponse echoResponse = new EchoResponse();
+        echoResponse.setMessage("ok");
+
+        client.reset().when(request()
+                .withMethod(HttpMethod.POST.getUpperName())
+                .withPath("/echo")
+        ).respond(MockResponse.mock(echoResponse.toJsonResponse().getBody()));
+
+        ApiClient apiClient = MockResponse.getApiClient();
+        EchoService service = new EchoService(apiClient);
+
+        EchoRequest request = new EchoRequest();
+        request.setDatetime(DateTimes.ofNow());
+        request.setChannelNo(apiClient.getProfile().getChannel().getChannelNo());
+        request.setAppNo(apiClient.getProfile().getChannel().getAppNo());
+        request.setSerialNo(Nonce.ofNonce());
+        request.setTransDate(DateTimes.ofNowDate());
+        request.setTransTradeTime(DateTimes.ofNow());
+        Assertions.assertDoesNotThrow(() -> service.echo(request));
     }
 
     @Test