diff --git a/backend/dist/src/common/compress-cache.interceptor.js b/backend/dist/src/common/compress-cache.interceptor.js
index 099ab92..572c2a0 100644
--- a/backend/dist/src/common/compress-cache.interceptor.js
+++ b/backend/dist/src/common/compress-cache.interceptor.js
@@ -101,6 +101,7 @@ let CompressCacheInterceptor = class CompressCacheInterceptor {
                 try {
                     const compressed = await gzip(Buffer.from(jsonString, 'utf8'));
                     await this.cacheManager.set(cacheKey, compressed, ttl);
+                    console.log(`[Cache] 📦 Đã nén dữ liệu cho: ${cacheKey} (${jsonString.length} -> ${compressed.length} bytes)`);
                 }
                 catch (e) {
                     console.error(`[Cache] Lỗi nén dữ liệu cho key ${cacheKey}:`, e);
diff --git a/backend/dist/src/common/compress-cache.interceptor.js.map b/backend/dist/src/common/compress-cache.interceptor.js.map
index 99ef13c..ac98424 100644
--- a/backend/dist/src/common/compress-cache.interceptor.js.map
+++ b/backend/dist/src/common/compress-cache.interceptor.js.map
@@ -1 +1 @@
-{"version":3,"file":"compress-cache.interceptor.js","sourceRoot":"","sources":["../../../src/common/compress-cache.interceptor.ts"],"names":[],"mappings":";;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;AAAA,2CAAoG;AACpG,+BAAsC;AACtC,8CAAqC;AACrC,yDAAsD;AAEtD,2CAA6B;AAC7B,+BAAiC;AACjC,uCAA+C;AAG/C,MAAM,IAAI,GAAG,IAAA,gBAAS,EAAC,IAAI,CAAC,IAAI,CAAC,CAAC;AAClC,MAAM,MAAM,GAAG,IAAA,gBAAS,EAAC,IAAI,CAAC,MAAM,CAAC,CAAC;AAItC,MAAM,qBAAqB,GAAG,GAAG,CAAC;AAG3B,IAAM,wBAAwB,GAA9B,MAAM,wBAAwB;IACnC,YACiC,YAAmB,EACjC,eAAgC;QADlB,iBAAY,GAAZ,YAAY,CAAO;QACjC,oBAAe,GAAf,eAAe,CAAiB;IAChD,CAAC;IAEJ,KAAK,CAAC,SAAS,CAAC,OAAyB,EAAE,IAAiB;QAC1D,MAAM,WAAW,GAAG,IAAI,CAAC,eAAe,CAAC,WAAW,CAAC;QACrD,MAAM,OAAO,GAAG,OAAO,CAAC,aAAa,CAAC,CAAC,CAAC,CAAC;QACzC,MAAM,QAAQ,GAAG,OAAO,CAAC,aAAa,CAAC,CAAC,CAAC,CAAC;QAG1C,IAAI,WAAW,CAAC,gBAAgB,CAAC,OAAO,CAAC,KAAK,KAAK,EAAE,CAAC;YACpD,OAAO,IAAI,CAAC,MAAM,EAAE,CAAC;QACvB,CAAC;QAED,MAAM,QAAQ,GAAG,WAAW,CAAC,aAAa,CAAC,OAAO,CAAC,CAAC;QACpD,IAAI,UAAU,GAAG,MAAM,IAAI,CAAC,YAAY,CAAC,GAAG,CAAS,QAAQ,CAAC,CAAC;QAE/D,IAAI,UAAU,EAAE,CAAC;YACf,IAAI,CAAC;gBAEH,IAAI,MAAM,CAAC,QAAQ,CAAC,UAAU,CAAC,IAAI,UAAU,CAAC,MAAM,GAAG,CAAC,IAAI,UAAU,CAAC,CAAC,CAAC,KAAK,IAAI,IAAI,UAAU,CAAC,CAAC,CAAC,KAAK,IAAI,EAAE,CAAC;oBAC7G,MAAM,YAAY,GAAG,MAAM,MAAM,CAAC,UAAU,CAAC,CAAC;oBAC9C,MAAM,UAAU,GAAG,YAAY,CAAC,QAAQ,CAAC,MAAM,CAAC,CAAC;oBAEjD,WAAW,CAAC,SAAS,CAAC,QAAQ,EAAE,cAAc,EAAE,kBAAkB,CAAC,CAAC;oBACpE,WAAW,CAAC,SAAS,CAAC,QAAQ,EAAE,SAAS,EAAE,kBAAkB,CAAC,CAAC;oBAC/D,OAAO,IAAA,SAAE,EAAC,IAAI,CAAC,KAAK,CAAC,UAAU,CAAC,CAAC,CAAC;gBACpC,CAAC;qBAAM,CAAC;oBAEN,MAAM,UAAU,GAAG,UAAU,CAAC,QAAQ,EAAE,CAAC;oBACzC,WAAW,CAAC,SAAS,CAAC,QAAQ,EAAE,cAAc,EAAE,kBAAkB,CAAC,CAAC;oBACpE,WAAW,CAAC,SAAS,CAAC,QAAQ,EAAE,SAAS,EAAE,oBAAoB,CAAC,CAAC;oBACjE,OAAO,IAAA,SAAE,EAAC,IAAI,CAAC,KAAK,CAAC,UAAU,CAAC,CAAC,CAAC;gBACpC,CAAC;YACH,CAAC;YAAC,OAAO,CAAC,EAAE,CAAC;gBACX,OAAO,CAAC,KAAK,CAAC,8CAA8C,QAAQ,GAAG,EAAE,CAAC,CAAC,CAAC;gBAE5E,MAAM,IAAI,CAAC,YAAY,CAAC,GAAG,CAAC,QAAQ,CAAC,CAAC;YACxC,CAAC;QACH,CAAC;QAID,WAAW,CAAC,SAAS,CAAC,QAAQ,EAAE,SAAS,EAAE,MAAM,CAAC,CAAC;QAEnD,OAAO,IAAI,CAAC,MAAM,EAAE,CAAC,IAAI,CACvB,IAAA,eAAG,EAAC,KAAK,EAAE,IAAI,EAAE,EAAE;YACjB,IAAI,CAAC,IAAI;gBAAE,OAAO;YAElB,MAAM,UAAU,GAAG,IAAI,CAAC,SAAS,CAAC,IAAI,CAAC,CAAC;YACxC,MAAM,GAAG,GAAG,KAAK,CAAC;YAElB,IAAI,UAAU,CAAC,MAAM,GAAG,qBAAqB,EAAE,CAAC;gBAC9C,IAAI,CAAC;oBACH,MAAM,UAAU,GAAG,MAAM,IAAI,CAAC,MAAM,CAAC,IAAI,CAAC,UAAU,EAAE,MAAM,CAAC,CAAC,CAAC;oBAC/D,MAAM,IAAI,CAAC,YAAY,CAAC,GAAG,CAAC,QAAQ,EAAE,UAAU,EAAE,GAAG,CAAC,CAAC;gBAEzD,CAAC;gBAAC,OAAO,CAAC,EAAE,CAAC;oBACX,OAAO,CAAC,KAAK,CAAC,mCAAmC,QAAQ,GAAG,EAAE,CAAC,CAAC,CAAC;oBAEjE,MAAM,IAAI,CAAC,YAAY,CAAC,GAAG,CAAC,QAAQ,EAAE,UAAU,EAAE,GAAG,CAAC,CAAC;gBACzD,CAAC;YACH,CAAC;iBAAM,CAAC;gBAEN,MAAM,IAAI,CAAC,YAAY,CAAC,GAAG,CAAC,QAAQ,EAAE,UAAU,EAAE,GAAG,CAAC,CAAC;YACzD,CAAC;QACH,CAAC,CAAC,CACH,CAAC;IACJ,CAAC;CACF,CAAA;AAvEY,4DAAwB;mCAAxB,wBAAwB;IADpC,IAAA,mBAAU,GAAE;IAGR,WAAA,IAAA,eAAM,EAAC,6BAAa,CAAC,CAAA;6CACY,sBAAe;GAHxC,wBAAwB,CAuEpC"}
\ No newline at end of file
+{"version":3,"file":"compress-cache.interceptor.js","sourceRoot":"","sources":["../../../src/common/compress-cache.interceptor.ts"],"names":[],"mappings":";;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;AAAA,2CAAoG;AACpG,+BAAsC;AACtC,8CAAqC;AACrC,yDAAsD;AAEtD,2CAA6B;AAC7B,+BAAiC;AACjC,uCAA+C;AAG/C,MAAM,IAAI,GAAG,IAAA,gBAAS,EAAC,IAAI,CAAC,IAAI,CAAC,CAAC;AAClC,MAAM,MAAM,GAAG,IAAA,gBAAS,EAAC,IAAI,CAAC,MAAM,CAAC,CAAC;AAItC,MAAM,qBAAqB,GAAG,GAAG,CAAC;AAG3B,IAAM,wBAAwB,GAA9B,MAAM,wBAAwB;IACnC,YACiC,YAAmB,EACjC,eAAgC;QADlB,iBAAY,GAAZ,YAAY,CAAO;QACjC,oBAAe,GAAf,eAAe,CAAiB;IAChD,CAAC;IAEJ,KAAK,CAAC,SAAS,CAAC,OAAyB,EAAE,IAAiB;QAC1D,MAAM,WAAW,GAAG,IAAI,CAAC,eAAe,CAAC,WAAW,CAAC;QACrD,MAAM,OAAO,GAAG,OAAO,CAAC,aAAa,CAAC,CAAC,CAAC,CAAC;QACzC,MAAM,QAAQ,GAAG,OAAO,CAAC,aAAa,CAAC,CAAC,CAAC,CAAC;QAG1C,IAAI,WAAW,CAAC,gBAAgB,CAAC,OAAO,CAAC,KAAK,KAAK,EAAE,CAAC;YACpD,OAAO,IAAI,CAAC,MAAM,EAAE,CAAC;QACvB,CAAC;QAED,MAAM,QAAQ,GAAG,WAAW,CAAC,aAAa,CAAC,OAAO,CAAC,CAAC;QACpD,IAAI,UAAU,GAAG,MAAM,IAAI,CAAC,YAAY,CAAC,GAAG,CAAS,QAAQ,CAAC,CAAC;QAE/D,IAAI,UAAU,EAAE,CAAC;YACf,IAAI,CAAC;gBAEH,IAAI,MAAM,CAAC,QAAQ,CAAC,UAAU,CAAC,IAAI,UAAU,CAAC,MAAM,GAAG,CAAC,IAAI,UAAU,CAAC,CAAC,CAAC,KAAK,IAAI,IAAI,UAAU,CAAC,CAAC,CAAC,KAAK,IAAI,EAAE,CAAC;oBAC7G,MAAM,YAAY,GAAG,MAAM,MAAM,CAAC,UAAU,CAAC,CAAC;oBAC9C,MAAM,UAAU,GAAG,YAAY,CAAC,QAAQ,CAAC,MAAM,CAAC,CAAC;oBAEjD,WAAW,CAAC,SAAS,CAAC,QAAQ,EAAE,cAAc,EAAE,kBAAkB,CAAC,CAAC;oBACpE,WAAW,CAAC,SAAS,CAAC,QAAQ,EAAE,SAAS,EAAE,kBAAkB,CAAC,CAAC;oBAC/D,OAAO,IAAA,SAAE,EAAC,IAAI,CAAC,KAAK,CAAC,UAAU,CAAC,CAAC,CAAC;gBACpC,CAAC;qBAAM,CAAC;oBAEN,MAAM,UAAU,GAAG,UAAU,CAAC,QAAQ,EAAE,CAAC;oBACzC,WAAW,CAAC,SAAS,CAAC,QAAQ,EAAE,cAAc,EAAE,kBAAkB,CAAC,CAAC;oBACpE,WAAW,CAAC,SAAS,CAAC,QAAQ,EAAE,SAAS,EAAE,oBAAoB,CAAC,CAAC;oBACjE,OAAO,IAAA,SAAE,EAAC,IAAI,CAAC,KAAK,CAAC,UAAU,CAAC,CAAC,CAAC;gBACpC,CAAC;YACH,CAAC;YAAC,OAAO,CAAC,EAAE,CAAC;gBACX,OAAO,CAAC,KAAK,CAAC,8CAA8C,QAAQ,GAAG,EAAE,CAAC,CAAC,CAAC;gBAE5E,MAAM,IAAI,CAAC,YAAY,CAAC,GAAG,CAAC,QAAQ,CAAC,CAAC;YACxC,CAAC;QACH,CAAC;QAID,WAAW,CAAC,SAAS,CAAC,QAAQ,EAAE,SAAS,EAAE,MAAM,CAAC,CAAC;QAEnD,OAAO,IAAI,CAAC,MAAM,EAAE,CAAC,IAAI,CACvB,IAAA,eAAG,EAAC,KAAK,EAAE,IAAI,EAAE,EAAE;YACjB,IAAI,CAAC,IAAI;gBAAE,OAAO;YAElB,MAAM,UAAU,GAAG,IAAI,CAAC,SAAS,CAAC,IAAI,CAAC,CAAC;YACxC,MAAM,GAAG,GAAG,KAAK,CAAC;YAElB,IAAI,UAAU,CAAC,MAAM,GAAG,qBAAqB,EAAE,CAAC;gBAC9C,IAAI,CAAC;oBACH,MAAM,UAAU,GAAG,MAAM,IAAI,CAAC,MAAM,CAAC,IAAI,CAAC,UAAU,EAAE,MAAM,CAAC,CAAC,CAAC;oBAC/D,MAAM,IAAI,CAAC,YAAY,CAAC,GAAG,CAAC,QAAQ,EAAE,UAAU,EAAE,GAAG,CAAC,CAAC;oBACvD,OAAO,CAAC,GAAG,CAAC,kCAAkC,QAAQ,KAAK,UAAU,CAAC,MAAM,OAAO,UAAU,CAAC,MAAM,SAAS,CAAC,CAAC;gBAEjH,CAAC;gBAAC,OAAO,CAAC,EAAE,CAAC;oBACX,OAAO,CAAC,KAAK,CAAC,mCAAmC,QAAQ,GAAG,EAAE,CAAC,CAAC,CAAC;oBAEjE,MAAM,IAAI,CAAC,YAAY,CAAC,GAAG,CAAC,QAAQ,EAAE,UAAU,EAAE,GAAG,CAAC,CAAC;gBACzD,CAAC;YACH,CAAC;iBAAM,CAAC;gBAEN,MAAM,IAAI,CAAC,YAAY,CAAC,GAAG,CAAC,QAAQ,EAAE,UAAU,EAAE,GAAG,CAAC,CAAC;YACzD,CAAC;QACH,CAAC,CAAC,CACH,CAAC;IACJ,CAAC;CACF,CAAA;AAxEY,4DAAwB;mCAAxB,wBAAwB;IADpC,IAAA,mBAAU,GAAE;IAGR,WAAA,IAAA,eAAM,EAAC,6BAAa,CAAC,CAAA;6CACY,sBAAe;GAHxC,wBAAwB,CAwEpC"}
\ No newline at end of file
diff --git a/backend/src/common/compress-cache.interceptor.ts b/backend/src/common/compress-cache.interceptor.ts
index 57d1a12..1ce8992 100644
--- a/backend/src/common/compress-cache.interceptor.ts
+++ b/backend/src/common/compress-cache.interceptor.ts
@@ -74,6 +74,7 @@ export class CompressCacheInterceptor implements NestInterceptor {
           try {
             const compressed = await gzip(Buffer.from(jsonString, 'utf8'));
             await this.cacheManager.set(cacheKey, compressed, ttl);
+            console.log(`[Cache] 📦 Đã nén dữ liệu cho: ${cacheKey} (${jsonString.length} -> ${compressed.length} bytes)`);
             // Không setHeader ở đây vì response có thể đã gửi xong
           } catch (e) {
             console.error(`[Cache] Lỗi nén dữ liệu cho key ${cacheKey}:`, e);