diff --git a/ontime-back/src/main/java/devkor/ontime_back/config/SwaggerConfig.java b/ontime-back/src/main/java/devkor/ontime_back/config/SwaggerConfig.java
index 53fc311..002969b 100644
--- a/ontime-back/src/main/java/devkor/ontime_back/config/SwaggerConfig.java
+++ b/ontime-back/src/main/java/devkor/ontime_back/config/SwaggerConfig.java
@@ -13,11 +13,11 @@
 import org.springframework.context.annotation.Configuration;
 
 @Configuration
-//@OpenAPIDefinition(
-//        servers = {
-//                @Server(url = "https://ontime.devkor.club", description = "Production Server")
-//        }
-//)
+@OpenAPIDefinition(
+        servers = {
+                @Server(url = "https://ontime.devkor.club", description = "Production Server")
+        }
+)
 public class SwaggerConfig {
     @Bean
     public OpenAPI openAPI() {
diff --git a/ontime-back/src/main/java/devkor/ontime_back/controller/ScheduleController.java b/ontime-back/src/main/java/devkor/ontime_back/controller/ScheduleController.java
index 503568c..6028004 100644
--- a/ontime-back/src/main/java/devkor/ontime_back/controller/ScheduleController.java
+++ b/ontime-back/src/main/java/devkor/ontime_back/controller/ScheduleController.java
@@ -219,7 +219,7 @@ public ResponseEntity<ApiResponseForm<List<LatenessHistoryResponse>>> getLatenes
             )),
             @ApiResponse(responseCode = "4XX", description = "준비과정 조회 실패", content = @Content(mediaType = "application/json", schema = @Schema(example = "실패 메세지(정확히 어떤 메세지인지는 모름)")))
     })
-    @GetMapping("/{scheduleId}/preparation")
+    @GetMapping("/{scheduleId}/preparations")
     public ResponseEntity<ApiResponseForm<List<PreparationDto>>> getPreparation(HttpServletRequest request, @PathVariable UUID scheduleId) {
         Long userId = userAuthService.getUserIdFromToken(request);
         List<PreparationDto> preparationDtoList = scheduleService.getPreparations(userId, scheduleId);
diff --git a/ontime-back/src/test/java/devkor/ontime_back/controller/ScheduleControllerTest.java b/ontime-back/src/test/java/devkor/ontime_back/controller/ScheduleControllerTest.java
index ca00cc9..b0c60da 100644
--- a/ontime-back/src/test/java/devkor/ontime_back/controller/ScheduleControllerTest.java
+++ b/ontime-back/src/test/java/devkor/ontime_back/controller/ScheduleControllerTest.java
@@ -212,7 +212,7 @@ void getPreparation_success() throws Exception {
         when(scheduleService.getPreparations(userId, scheduleId)).thenReturn(mockPreparations);
 
         // when & then
-        mockMvc.perform(get("/schedules/{scheduleId}/preparation", scheduleId)
+        mockMvc.perform(get("/schedules/{scheduleId}/preparations", scheduleId)
                         .header("Authorization", "Bearer test-token")
                         .contentType(MediaType.APPLICATION_JSON))
                 .andExpect(status().isOk())  // HTTP 200 확인