diff --git a/src/ports/skia_ohos/FontConfig_ohos.cpp b/src/ports/skia_ohos/FontConfig_ohos.cpp
index e522dc46b83fedf21040fd267dec6ae725fd9d0f..523d302d3022fb72afe27e55d21af1864f9212ae 100755
--- a/src/ports/skia_ohos/FontConfig_ohos.cpp
+++ b/src/ports/skia_ohos/FontConfig_ohos.cpp
@@ -322,7 +322,7 @@ char* FontConfig_OHOS::getFileData(const char* fname, int& size)
         fclose(fp);
         return nullptr;
     }
-    memset(data, 0, size);
+    (void) memset_s(data, size, 0, size);
     (void) fread(data, size, 1, fp);
     fclose(fp);
     return (char*)data;
@@ -1037,15 +1037,12 @@ int FontConfig_OHOS::scanFonts(const SkTypeface_FreeType::Scanner& fontScanner)
                 strncmp(fname + len - suffixLen, ".otc", suffixLen))) {
                 continue;
             }
-            len += (fontDirSet[i].size() + 2); // 2 more characters for '/' and '\0'
-            char fullname[len];
-            memset(fullname, 0, len);
-            strcpy(fullname, fontDirSet[i].c_str());
-            if (fontDirSet[i][fontDirSet[i].size() - 1] != '/') {
-                strcat(fullname, "/");
+            SkString fullname = fontDirSet[i];
+            if (fullname[fullname.size() - 1] != '/') {
+                fullname.append("/");
             }
-            strcat(fullname, fname);
-            loadFont(fontScanner, fullname);
+            fullname.append(fname);
+            loadFont(fontScanner, fullname.c_str());
         }
         closedir(dir);
     }
diff --git a/src/ports/skia_ohos/FontInfo_ohos.h b/src/ports/skia_ohos/FontInfo_ohos.h
index 95cbf0ed04d60f98f3966bad51ca50fc0cea2e9b..484b98cd0192463b1227fe94d98162c129de8b4c 100755
--- a/src/ports/skia_ohos/FontInfo_ohos.h
+++ b/src/ports/skia_ohos/FontInfo_ohos.h
@@ -10,6 +10,7 @@
 #include "include/private/base/SkFixed.h"
 #include "src/core/SkFontDescriptor.h"
 #include "src/ports/SkFontHost_FreeType_common.h"
+#include "third_party/bounds_checking_function/include/securec.h"
 
 /*!
  * \brief To manage the font information
@@ -22,7 +23,7 @@ public:
     FontInfo() : familyName(""), fname(""), index(0),
         style(SkFontStyle::Normal()), isFixedWidth(false), stream(nullptr)
     {
-        memset(&axisSet, 0, sizeof(AxisSet));
+        (void) memset_s(&axisSet, sizeof(axisSet), 0, sizeof(AxisSet));
     }
     /*! Copy Constructor
      * \param font an object of FontInfo
@@ -63,7 +64,7 @@ public:
         if (fname) {
             this->fname.set(fname);
         }
-        memset(&axisSet, 0, sizeof(axisSet));
+        (void) memset_s(&axisSet, sizeof(axisSet), 0, sizeof(axisSet));
     }
 
     /*! Destructor