diff --git a/backend/src/main/java/com/xly/erp/module/mod/controller/ModuleController.java b/backend/src/main/java/com/xly/erp/module/mod/controller/ModuleController.java
new file mode 100644
index 0000000..4c073fa
--- /dev/null
+++ b/backend/src/main/java/com/xly/erp/module/mod/controller/ModuleController.java
@@ -0,0 +1,29 @@
+package com.xly.erp.module.mod.controller;
+
+import com.xly.erp.common.response.Result;
+import com.xly.erp.module.mod.dto.CreateModuleDTO;
+import com.xly.erp.module.mod.service.ModuleService;
+import jakarta.validation.Valid;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.Map;
+
+@RestController
+@RequestMapping("/api/mod")
+public class ModuleController {
+
+    private final ModuleService moduleService;
+
+    public ModuleController(ModuleService moduleService) {
+        this.moduleService = moduleService;
+    }
+
+    @PostMapping("/modules")
+    public Result<Map<String, Integer>> create(@Valid @RequestBody CreateModuleDTO dto) {
+        Integer id = moduleService.create(dto);
+        return Result.ok(Map.of("iIncrement", id));
+    }
+}
diff --git a/backend/src/main/java/com/xly/erp/module/mod/dto/CreateModuleDTO.java b/backend/src/main/java/com/xly/erp/module/mod/dto/CreateModuleDTO.java
index 2345a03..d9f982e 100644
--- a/backend/src/main/java/com/xly/erp/module/mod/dto/CreateModuleDTO.java
+++ b/backend/src/main/java/com/xly/erp/module/mod/dto/CreateModuleDTO.java
@@ -1,33 +1,42 @@
 package com.xly.erp.module.mod.dto;
 
+import com.fasterxml.jackson.annotation.JsonProperty;
 import jakarta.validation.constraints.NotBlank;
 import jakarta.validation.constraints.Size;
 
 public class CreateModuleDTO {
 
+    @JsonProperty("sDisplayType")
     @NotBlank
     private String sDisplayType;
 
+    @JsonProperty("sProcedureName")
     @NotBlank
     @Size(max = 100)
     private String sProcedureName;
 
+    @JsonProperty("sModuleType")
     @NotBlank
     @Size(max = 50)
     private String sModuleType;
 
+    @JsonProperty("sManageDeptEn")
     @NotBlank
     @Size(max = 50)
     private String sManageDeptEn;
 
+    @JsonProperty("bShowPermission")
     private Boolean bShowPermission;
 
+    @JsonProperty("sModuleNameZh")
     @NotBlank
     @Size(max = 100)
     private String sModuleNameZh;
 
+    @JsonProperty("iParentId")
     private Integer iParentId;
 
+    @JsonProperty("iSortOrder")
     private Integer iSortOrder;
 
     public String getSDisplayType() { return sDisplayType; }
diff --git a/backend/src/test/java/com/xly/erp/module/mod/controller/ModuleControllerIT.java b/backend/src/test/java/com/xly/erp/module/mod/controller/ModuleControllerIT.java
new file mode 100644
index 0000000..782a57a
--- /dev/null
+++ b/backend/src/test/java/com/xly/erp/module/mod/controller/ModuleControllerIT.java
@@ -0,0 +1,92 @@
+package com.xly.erp.module.mod.controller;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.xly.erp.common.security.TestJwtHelper;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.web.client.TestRestTemplate;
+import org.springframework.boot.test.web.server.LocalServerPort;
+import org.springframework.http.HttpEntity;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpMethod;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.test.context.ActiveProfiles;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
+@ActiveProfiles("test")
+class ModuleControllerIT {
+
+    @Autowired
+    private TestRestTemplate rest;
+
+    @Autowired
+    private TestJwtHelper testJwtHelper;
+
+    @Autowired
+    private JdbcTemplate jdbcTemplate;
+
+    @Autowired
+    private ObjectMapper objectMapper;
+
+    @LocalServerPort
+    private int port;
+
+    @BeforeEach
+    @AfterEach
+    void cleanup() {
+        jdbcTemplate.update("DELETE FROM tModule WHERE sProcedureName LIKE 'sp_test_%'");
+    }
+
+    @Test
+    void postValidBody_with_jwt_returns200_andPersists() throws Exception {
+        String token = testJwtHelper.signFor("ADMIN001");
+        HttpHeaders headers = jsonHeaders();
+        headers.set("Authorization", "Bearer " + token);
+
+        ResponseEntity<String> resp = rest.exchange(
+                "http://localhost:" + port + "/api/mod/modules",
+                HttpMethod.POST,
+                new HttpEntity<>(validBody("sp_test_ctrl_ok", "正常路径"), headers),
+                String.class);
+
+        assertThat(resp.getStatusCode().value()).isEqualTo(200);
+        JsonNode body = objectMapper.readTree(resp.getBody());
+        assertThat(body.get("code").asInt()).isZero();
+        int newId = body.get("data").get("iIncrement").asInt();
+        assertThat(newId).isPositive();
+
+        Map<String, Object> row = jdbcTemplate.queryForMap(
+                "SELECT sProcedureName, sBrandsId, sCreatedBy FROM tModule WHERE iIncrement = ?", newId);
+        assertThat(row.get("sProcedureName")).isEqualTo("sp_test_ctrl_ok");
+        assertThat(row.get("sBrandsId")).isEqualTo("XLY");
+        assertThat(row.get("sCreatedBy")).isEqualTo("ADMIN001");
+    }
+
+    static HttpHeaders jsonHeaders() {
+        HttpHeaders h = new HttpHeaders();
+        h.setContentType(MediaType.APPLICATION_JSON);
+        return h;
+    }
+
+    static Map<String, Object> validBody(String procedureName, String nameZh) {
+        Map<String, Object> m = new HashMap<>();
+        m.put("sDisplayType", "手机端");
+        m.put("sProcedureName", procedureName);
+        m.put("sModuleType", "业务模块");
+        m.put("sManageDeptEn", "IT");
+        m.put("bShowPermission", false);
+        m.put("sModuleNameZh", nameZh);
+        return m;
+    }
+}