diff --git a/zt-module-erp/zt-module-erp-api/src/main/java/com/zt/plat/module/erp/api/ErpExternalApi.java b/zt-module-erp/zt-module-erp-api/src/main/java/com/zt/plat/module/erp/api/ErpExternalApi.java
index a39ad946..0b8939bb 100644
--- a/zt-module-erp/zt-module-erp-api/src/main/java/com/zt/plat/module/erp/api/ErpExternalApi.java
+++ b/zt-module-erp/zt-module-erp-api/src/main/java/com/zt/plat/module/erp/api/ErpExternalApi.java
@@ -23,11 +23,11 @@ public interface ErpExternalApi {
 
     @PostMapping(PREFIX + "/submit")
     @Operation(summary = "erp数据提交")
-    HashMap<String, String> submitDataToErp(@Valid @RequestBody ErpSubmitReqDTO reqDTO);
+    Map<String, String> submitDataToErp(@Valid @RequestBody ErpSubmitReqDTO reqDTO);
 
     @PostMapping(PREFIX + "/query")
     @Operation(summary = "erp数据查询")
-    HashMap<String, Object> queryDataToErp(@Valid @RequestBody ErpQueryReqDTO reqDTO);
+    Map<String, Object> queryDataToErp(@Valid @RequestBody ErpQueryReqDTO reqDTO);
 
     @PostMapping(PREFIX + "/queryProductiveVersion")
     @Operation(summary = "生产版本数据查询")
diff --git a/zt-module-erp/zt-module-erp-api/src/main/java/com/zt/plat/module/erp/api/dto/ErpSubmitReqDTO.java b/zt-module-erp/zt-module-erp-api/src/main/java/com/zt/plat/module/erp/api/dto/ErpSubmitReqDTO.java
index 39ca91f0..637ca540 100644
--- a/zt-module-erp/zt-module-erp-api/src/main/java/com/zt/plat/module/erp/api/dto/ErpSubmitReqDTO.java
+++ b/zt-module-erp/zt-module-erp-api/src/main/java/com/zt/plat/module/erp/api/dto/ErpSubmitReqDTO.java
@@ -24,14 +24,19 @@ public class ErpSubmitReqDTO {
      */
     @Schema(description = "接口编号，必须，参见RFC功能列表，可调用接口编号范围051-900")
     private String funcnr;
+
     @Schema(description = "调用系统业务单据编号，必须，在外部系统唯一，用于关联")
     private String bskey;
+
     @Schema(description = "SAP系统ID, 必须")
     private String usrid;
+
     @Schema(description = "源调用系统ID，必须")
     private String usrnm;
-//    @Schema(description = "签名，uuid+srcsys+密码，MD5 32位小写签名，密码另行约定")
-//    private String sign;
+
+    @Schema(description = "签名，uuid+srcsys+密码，MD5 32位小写签名，密码另行约定")
+    private String sign;
+
     @Schema(description = "具体参数，参见RFC功能列表")
     private Map<String, Object> req;
 
diff --git a/zt-module-erp/zt-module-erp-server/src/main/java/com/zt/plat/module/erp/api/ErpExternalApiImpl.java b/zt-module-erp/zt-module-erp-server/src/main/java/com/zt/plat/module/erp/api/ErpExternalApiImpl.java
index 682f1236..7a9a073f 100644
--- a/zt-module-erp/zt-module-erp-server/src/main/java/com/zt/plat/module/erp/api/ErpExternalApiImpl.java
+++ b/zt-module-erp/zt-module-erp-server/src/main/java/com/zt/plat/module/erp/api/ErpExternalApiImpl.java
@@ -40,12 +40,12 @@ public class ErpExternalApiImpl implements ErpExternalApi {
 
 
     @Override
-    public HashMap<String, String> submitDataToErp(ErpSubmitReqDTO reqDTO) {
+    public Map<String, String> submitDataToErp(ErpSubmitReqDTO reqDTO) {
         return erpConfig.pushDataToErp(reqDTO);
     }
 
     @Override
-    public HashMap<String, Object> queryDataToErp(ErpQueryReqDTO reqDTO) {
+    public Map<String, Object> queryDataToErp(ErpQueryReqDTO reqDTO) {
         String funcnr = reqDTO.getFuncnr();
         Map<String, Object> req = reqDTO.getReq();
         return erpConfig.fetchDataFromERP(funcnr, req);
diff --git a/zt-module-erp/zt-module-erp-server/src/main/java/com/zt/plat/module/erp/service/erp/ErpBillMainServiceImpl.java b/zt-module-erp/zt-module-erp-server/src/main/java/com/zt/plat/module/erp/service/erp/ErpBillMainServiceImpl.java
index 5b89d904..6914dfa6 100644
--- a/zt-module-erp/zt-module-erp-server/src/main/java/com/zt/plat/module/erp/service/erp/ErpBillMainServiceImpl.java
+++ b/zt-module-erp/zt-module-erp-server/src/main/java/com/zt/plat/module/erp/service/erp/ErpBillMainServiceImpl.java
@@ -136,7 +136,7 @@ public class ErpBillMainServiceImpl implements ErpBillMainService {
 
     // 抽取重复代码：提交 ERP 并记录日志
     private String submitToErp(ErpSubmitReqDTO reqDTO) {
-        HashMap<String, String> response = erpExternalApi.submitDataToErp(reqDTO);
+        Map<String, String> response = erpExternalApi.submitDataToErp(reqDTO);
         return response.get("resStr");
     }
 
diff --git a/zt-module-erp/zt-module-erp-server/src/main/java/com/zt/plat/module/erp/utils/ErpConfig.java b/zt-module-erp/zt-module-erp-server/src/main/java/com/zt/plat/module/erp/utils/ErpConfig.java
index 3f1ce853..b8585886 100644
--- a/zt-module-erp/zt-module-erp-server/src/main/java/com/zt/plat/module/erp/utils/ErpConfig.java
+++ b/zt-module-erp/zt-module-erp-server/src/main/java/com/zt/plat/module/erp/utils/ErpConfig.java
@@ -14,6 +14,7 @@ import org.springframework.http.ResponseEntity;
 import org.springframework.web.client.RestTemplate;
 
 import java.util.*;
+import java.util.concurrent.ConcurrentHashMap;
 
 import static com.zt.plat.framework.common.exception.util.ServiceExceptionUtil.exception;
 import static com.zt.plat.module.erp.enums.ErrorCodeConstants.*;
@@ -31,7 +32,7 @@ public class ErpConfig {
     /**
      * 调用ERP接口获取erp数据
      */
-    public HashMap<String, Object> fetchDataFromERP(String funcnr, Map<String, Object> req) {
+    public Map<String, Object> fetchDataFromERP(String funcnr, Map<String, Object> req) {
         try {
             // 构建完整URL
             String url = "http://" + erpAddress + "/api/rfc/get";
@@ -60,7 +61,7 @@ public class ErpConfig {
                 throw exception(ERP_NOT_EXISTS);
             }
 
-            HashMap<String, Object> resMap = new HashMap<>();
+            Map<String, Object> resMap = new ConcurrentHashMap<>();
             JSONObject jsonResponse = JSON.parseObject(responseBody);
             if (jsonResponse == null) {
                 throw exception(ERP_NOT_JSON_EXISTS);
@@ -94,7 +95,7 @@ public class ErpConfig {
     /**
      * 调用ERP接口更新erp数据
      */
-    public HashMap<String, String> pushDataToErp(ErpSubmitReqDTO reqDTO) {
+    public Map<String, String> pushDataToErp(ErpSubmitReqDTO reqDTO) {
         try {
             // 构建完整URL
             String url = "http://" + erpAddress + "/api/rfc/post";
@@ -108,15 +109,14 @@ public class ErpConfig {
             requestBody.put("bskey", reqDTO.getBskey());
             requestBody.put("usrid", reqDTO.getUsrid());
             requestBody.put("usrnm", reqDTO.getUsrnm());
-            //todo 密码另行约定
-//            requestBody.put("sign", StrUtil.(uuid + sapsys + "密码另行约定"));
+            // todo 密码另行约定
+            //requestBody.put("sign", StrUtil.(uuid + sapsys + "密码另行约定"));
             if (reqDTO.getReq() != null) {
                 requestBody.put("req", reqDTO.getReq());
             }
             // 设置请求头
             HttpHeaders headers = new HttpHeaders();
             headers.setContentType(MediaType.APPLICATION_JSON);
-
             // 创建HTTP请求实体
             HttpEntity<String> requestEntity = new HttpEntity<>(requestBody.toJSONString(), headers);
 
@@ -135,7 +135,7 @@ public class ErpConfig {
                 throw exception(ERP_NOT_JSON_EXISTS);
             }
 
-            HashMap<String, String> resMap = new HashMap<>();
+            Map<String, String> resMap = new ConcurrentHashMap<>();
             boolean succeed = jsonResponse.getBoolean("succeed");
             JSONObject data =  jsonResponse.getJSONObject("data");
             if (data == null) {