diff --git a/src/controllers/EmployeePositionController.ts b/src/controllers/EmployeePositionController.ts
index f5d46585..415e7604 100644
--- a/src/controllers/EmployeePositionController.ts
+++ b/src/controllers/EmployeePositionController.ts
@@ -1156,7 +1156,7 @@ export class EmployeePositionController extends Controller {
         ...(body.keyword &&
           (masterId.length > 0
             ? { id: In(masterId) }
-            : keywordAsInt != null ? { posMasterNo: keywordAsInt } : {})),
+            : /^\d+$/.test(body.keyword) ? { posMasterNo: keywordAsInt } : { posMasterNo: Like(`%${body.keyword}%`) })),
       },
     ];
 
diff --git a/src/controllers/EmployeeTempPositionController.ts b/src/controllers/EmployeeTempPositionController.ts
index da6398b9..ec17bef5 100644
--- a/src/controllers/EmployeeTempPositionController.ts
+++ b/src/controllers/EmployeeTempPositionController.ts
@@ -875,7 +875,7 @@ export class EmployeeTempPositionController extends Controller {
         ...(body.keyword &&
           (masterId.length > 0
             ? { id: In(masterId) }
-            : keywordAsInt != null ? { posMasterNo: keywordAsInt } : {})),
+            : /^\d+$/.test(body.keyword) ? { posMasterNo: keywordAsInt } : { posMasterNo: Like(`%${body.keyword}%`) })),
       },
     ];
     let query = AppDataSource.getRepository(EmployeeTempPosMaster)
diff --git a/src/controllers/PositionController.ts b/src/controllers/PositionController.ts
index f6802130..a91a1b22 100644
--- a/src/controllers/PositionController.ts
+++ b/src/controllers/PositionController.ts
@@ -1821,7 +1821,7 @@ export class PositionController extends Controller {
         ...(body.keyword &&
           (masterId.length > 0
             ? { id: In(masterId) }
-            : keywordAsInt != null ? { posMasterNo: keywordAsInt } : {})),
+            : /^\d+$/.test(body.keyword) ? { posMasterNo: keywordAsInt } : { posMasterNo: Like(`%${body.keyword}%`) })),
       },
     ];
     let [posMaster, total] = await AppDataSource.getRepository(PosMaster)
@@ -2277,7 +2277,7 @@ export class PositionController extends Controller {
         ...(body.keyword &&
           (masterId.length > 0
             ? { id: In(masterId) }
-            : keywordAsInt != null ? { posMasterNo: keywordAsInt } : {})),
+            : /^\d+$/.test(body.keyword) ? { posMasterNo: keywordAsInt } : { posMasterNo: Like(`%${body.keyword}%`) })),
       },
     ];
 
@@ -5502,7 +5502,7 @@ export class PositionController extends Controller {
         ...(body.keyword &&
           (masterId.length > 0
             ? { id: In(masterId) }
-            : keywordAsInt != null ? { posMasterNo: keywordAsInt } : {})),
+            : /^\d+$/.test(body.keyword) ? { posMasterNo: keywordAsInt } : { posMasterNo: Like(`%${body.keyword}%`) })),
         ...(!body.isAll && { isCondition: true }),
       },
     ];