diff --git a/frameworks/innerkitsimpl/common/src/pixel_map.cpp b/frameworks/innerkitsimpl/common/src/pixel_map.cpp
index f070744b3beb388b2debec9e0009b0085b536a28..210fc93f729e9900eabb156c0cb2f08898bb5f28 100644
--- a/frameworks/innerkitsimpl/common/src/pixel_map.cpp
+++ b/frameworks/innerkitsimpl/common/src/pixel_map.cpp
@@ -91,6 +91,9 @@ extern "C" {
 #undef LOG_TAG
 #define LOG_TAG "PixelMap"
 
+#define BUF_NAME_LEN 255
+#define PREFIX_NAME_LEN 255
+
 namespace OHOS {
 namespace Media {
 using namespace std;
@@ -514,10 +517,10 @@ uint32_t PixelMap::SetMemoryName(const std::string &pixelMapName)
     if (GetFd() == nullptr) {
         return ERR_MEMORY_NOT_SUPPORT;
     }
-
     AllocatorType allocatorType = GetAllocatorType();
-
-    if (pixelMapName.empty() || pixelMapName.size() > DMA_BUF_NAME_LEN - 1) {
+    if (pixelMapName.empty() ||
+        (pixelMapName.size() > BUF_NAME_LEN && allocatorType == AllocatorType::DMA_ALLOC) ||
+        (pixelMapName.size() > BUF_NAME_LEN - PREFIX_NAME_LEN && allocatorType == AllocatorType::SHARE_MEM_ALLOC)) {
         return COMMON_ERR_INVALID_PARAMETER;
     }
 
diff --git a/frameworks/innerkitsimpl/test/unittest/pixel_map_test/pixel_map_test.cpp b/frameworks/innerkitsimpl/test/unittest/pixel_map_test/pixel_map_test.cpp
index eceb87de3f81fadf7aa32a2d18c62318d0d93af1..8b24c760dda888c4273efd6ee770fc73dea973f8 100644
--- a/frameworks/innerkitsimpl/test/unittest/pixel_map_test/pixel_map_test.cpp
+++ b/frameworks/innerkitsimpl/test/unittest/pixel_map_test/pixel_map_test.cpp
@@ -2613,7 +2613,7 @@ HWTEST_F(PixelMapTest, SetMemoryNameTest001, TestSize.Level3)
     EXPECT_TRUE(ret != ERR_MEMORY_NOT_SUPPORT);
     EXPECT_TRUE(ret == SUCCESS);
 
-    std::string longName(50, '1');
+    std::string longName(257, '1');
     ret = pixelMap->SetMemoryName(longName);
     EXPECT_TRUE(ret != ERR_MEMORY_NOT_SUPPORT);
     EXPECT_TRUE(ret == COMMON_ERR_INVALID_PARAMETER);