Description: fix cpp check warning

IssueNo: https://gitee.com/openharmony/graphic_ui/issues/I6D20T
Feature or Bugfix: Bugfix
Binary Source:No
Signed-off-by: Nzhouyj <zhouyuanjie1@huawei.com>

frameworks/font/glyphs_manager.cpp

@@ -96,10 +96,11 @@ const GlyphNode* GlyphsManager::GetGlyphNodeFromFiles(uint32_t unicode, uint16_t
     }
 
     GlyphCacheNode* cacheNode = UIFontCacheManager::GetInstance()->GetNodeCacheSpace(unicode, fontId);
-    if (cacheNode != nullptr) {
-        cacheNode->node = nodeInfo;
-        cacheNode->cacheType = fileType_;
+    if (cacheNode == nullptr) {
+        return nullptr;
     }
+    cacheNode->node = nodeInfo;
+    cacheNode->cacheType = fileType_;
 
     return &(cacheNode->node);
 }