diff --git a/client/src/main/java/com/ecep/contract/AppV2.java b/client/src/main/java/com/ecep/contract/ClientV2.java
similarity index 100%
rename from client/src/main/java/com/ecep/contract/AppV2.java
rename to client/src/main/java/com/ecep/contract/ClientV2.java
diff --git a/client/src/main/java/com/ecep/contract/service/CompanyFileTypeService.java b/client/src/main/java/com/ecep/contract/service/CompanyFileTypeService.java
new file mode 100644
index 0000000..fbd7856
--- /dev/null
+++ b/client/src/main/java/com/ecep/contract/service/CompanyFileTypeService.java
@@ -0,0 +1,4 @@
+package com.ecep.contract.service;
+
+public class CompanyFileTypeService {
+}
diff --git a/client/src/main/java/com/ecep/contract/service/CustomerCatalogService.java b/client/src/main/java/com/ecep/contract/service/CustomerCatalogService.java
new file mode 100644
index 0000000..9666432
--- /dev/null
+++ b/client/src/main/java/com/ecep/contract/service/CustomerCatalogService.java
@@ -0,0 +1,4 @@
+package com.ecep.contract.service;
+
+public class CustomerCatalogService {
+}
diff --git a/client/src/main/java/com/ecep/contract/vm/CustomerCatalogViewModel.java b/client/src/main/java/com/ecep/contract/vm/CustomerCatalogViewModel.java
new file mode 100644
index 0000000..5c25df0
--- /dev/null
+++ b/client/src/main/java/com/ecep/contract/vm/CustomerCatalogViewModel.java
@@ -0,0 +1,4 @@
+package com.ecep.contract.vm;
+
+public class CustomerCatalogViewModel {
+}
diff --git a/client/src/main/java/com/ecep/contract/vm/SysConfViewModel.java b/client/src/main/java/com/ecep/contract/vm/SysConfViewModel.java
new file mode 100644
index 0000000..71fa491
--- /dev/null
+++ b/client/src/main/java/com/ecep/contract/vm/SysConfViewModel.java
@@ -0,0 +1,4 @@
+package com.ecep.contract.vm;
+
+public class SysConfViewModel {
+}
diff --git a/common/src/main/java/com/ecep/contract/constant/CompanyConstant.java b/common/src/main/java/com/ecep/contract/constant/CompanyConstant.java
new file mode 100644
index 0000000..5b3bd9d
--- /dev/null
+++ b/common/src/main/java/com/ecep/contract/constant/CompanyConstant.java
@@ -0,0 +1,4 @@
+package com.ecep.contract.constant;
+
+public class CompanyConstant {
+}
diff --git a/server/src/main/java/com/ecep/contract/AppV2.java b/server/src/main/java/com/ecep/contract/ServerV2.java
similarity index 100%
rename from server/src/main/java/com/ecep/contract/AppV2.java
rename to server/src/main/java/com/ecep/contract/ServerV2.java
diff --git a/server/src/main/java/com/ecep/contract/ds/company/service/CompanyFileTypeService.java b/server/src/main/java/com/ecep/contract/ds/company/service/CompanyFileTypeService.java
new file mode 100644
index 0000000..38bdb0c
--- /dev/null
+++ b/server/src/main/java/com/ecep/contract/ds/company/service/CompanyFileTypeService.java
@@ -0,0 +1,4 @@
+package com.ecep.contract.ds.company.service;
+
+public class CompanyFileTypeService {
+}