diff --git a/display/composer/cache_manager/cache_manager.h b/display/composer/cache_manager/cache_manager.h
index 51f95f58e594a61d27984dd5e0d4847633797272..50fd961721f02ec224c80ece6664f673df7c393e 100644
--- a/display/composer/cache_manager/cache_manager.h
+++ b/display/composer/cache_manager/cache_manager.h
@@ -58,14 +58,17 @@ public:
 
     bool SetCacheMaxCount(uint32_t count)
     {
-        bool ret = true;
+        HDF_LOGI("liumin444 %{public}s:count=%{public}u cacheCountMax_=%{public}u",__func__, count, cacheCountMax_);
+		bool ret = true;
         uint32_t originalMaxCount = cacheCountMax_;
         if (count >= cacheCountMax_) {
+            HDF_LOGI("liumin444 ifbranch%{public}s:count=%{public}u cacheCountMax_=%{public}u",__func__, count, cacheCountMax_);
             cacheCountMax_ = count;
         } else if (Size() <= count) {
+            HDF_LOGI("liumin444 else ifbranch%{public}s:count=%{public}u cacheCountMax_=%{public}u",__func__, Size());
             cacheCountMax_ = count;
         } else {
-            HDF_LOGE("%{public}s error: clientCacheCount can't be set, because cacheCountMax_ > count", __func__);
+            HDF_LOGE("liumin444%{public}s error: clientCacheCount can't be set, because cacheCountMax_ > count", __func__);
             ret = false;
         }
         HDF_LOGD("%{public}s: set cache max count from %{public}u to %{public}u",
@@ -187,7 +190,7 @@ public:
             HDF_LOGE("%{public}s error: clientCacheCount can't be set, because cacheCountMax_ > count", __func__);
             ret = false;
         }
-        HDF_LOGI("%{public}s: set cache max count from %{public}u to %{public}u",
+        HDF_LOGD("%{public}s: set cache max count from %{public}u to %{public}u",
             __func__, originalMaxCount, cacheCountMax_);
         return ret;
     }
diff --git a/display/composer/cache_manager/device_cache.cpp b/display/composer/cache_manager/device_cache.cpp
index 53667a9399b51588263d937955658c809e928f17..e9232512b23881529ee9c492d8308c09c88f3051 100644
--- a/display/composer/cache_manager/device_cache.cpp
+++ b/display/composer/cache_manager/device_cache.cpp
@@ -72,7 +72,9 @@ int32_t DeviceCache::Init()
 
 int32_t DeviceCache::SetClientBufferCacheCount(uint32_t bufferCacheCount)
 {
-    return clientBufferCaches_->SetCacheMaxCount(bufferCacheCount) ? HDF_SUCCESS : HDF_FAILURE;
+	bool ret = clientBufferCaches_->SetCacheMaxCount(bufferCacheCount) ? HDF_SUCCESS : HDF_FAILURE;
+	HDF_LOGI("liumin333 %{public}s:bufferCacheCount=%{public}u ret=%{public}d",__func__, bufferCacheCount, ret);
+	return ret; 
 }
 
 LayerCache* DeviceCache::LayerCacheInstance(uint32_t layerId) const
diff --git a/display/composer/v1_0/hdi_impl/display_composer_hdi_impl.h b/display/composer/v1_0/hdi_impl/display_composer_hdi_impl.h
index cc01df0fa0bc04984b6da63c5315840cf673ed79..39a59becf0a1d2320f538fd2ec9e2f1066db310b 100644
--- a/display/composer/v1_0/hdi_impl/display_composer_hdi_impl.h
+++ b/display/composer/v1_0/hdi_impl/display_composer_hdi_impl.h
@@ -130,6 +130,7 @@ public:
     virtual int32_t SetClientBufferCacheCount(uint32_t devId, uint32_t cacheCount) override
     {
         COMPOSER_CHECK_NULLPTR_RETURN(hdi_);
+	    HDF_LOGI("liumin111 %{public}s:devId=%{public}u cacheCount=%{public}d", __func__, devId, cacheCount);
         return ToDispErrCode(hdi_->SetClientBufferCacheCount(devId, cacheCount));
     }