diff --git a/tester/harmony/react_native_openharmony/src/main/cpp/RNOH/arkui/TextAreaNode.cpp b/tester/harmony/react_native_openharmony/src/main/cpp/RNOH/arkui/TextAreaNode.cpp
index a8b37c1ab06896e6b6fd83fdd248bd49d7cf9b65..cc57d7a36f2f6fc5df9daea5c939b199b7451e62 100644
--- a/tester/harmony/react_native_openharmony/src/main/cpp/RNOH/arkui/TextAreaNode.cpp
+++ b/tester/harmony/react_native_openharmony/src/main/cpp/RNOH/arkui/TextAreaNode.cpp
@@ -171,7 +171,7 @@ void TextAreaNode::setFont(
     fontStyle = ARKUI_FONT_STYLE_ITALIC;
   }
 
-  float fontSize = 16;
+  float fontSize = defaultFontSize;
   if (!std::isnan(textAttributes.fontSize)) {
     fontSize = static_cast<float>(textAttributes.fontSize);
   }
diff --git a/tester/harmony/react_native_openharmony/src/main/cpp/RNOH/arkui/TextInputNode.cpp b/tester/harmony/react_native_openharmony/src/main/cpp/RNOH/arkui/TextInputNode.cpp
index c17661666069153c425c8e053908c903d6a6e51e..968109e66e272e9f3a2d4a43b3ec2570950e5cb0 100644
--- a/tester/harmony/react_native_openharmony/src/main/cpp/RNOH/arkui/TextInputNode.cpp
+++ b/tester/harmony/react_native_openharmony/src/main/cpp/RNOH/arkui/TextInputNode.cpp
@@ -246,7 +246,7 @@ void TextInputNode::setFont(
     fontStyle = ARKUI_FONT_STYLE_ITALIC;
   }
 
-  float fontSize = 16;
+  float fontSize = defaultFontSize;
   if (!std::isnan(textAttributes.fontSize)) {
     fontSize = static_cast<float>(textAttributes.fontSize);
   }
diff --git a/tester/harmony/react_native_openharmony/src/main/cpp/RNOH/arkui/TextInputNodeBase.cpp b/tester/harmony/react_native_openharmony/src/main/cpp/RNOH/arkui/TextInputNodeBase.cpp
index ea570d0174f57689dc003dbe63167999977462fc..5c148b226534dde4eaab46de7d17ce814878cd57 100644
--- a/tester/harmony/react_native_openharmony/src/main/cpp/RNOH/arkui/TextInputNodeBase.cpp
+++ b/tester/harmony/react_native_openharmony/src/main/cpp/RNOH/arkui/TextInputNodeBase.cpp
@@ -92,29 +92,26 @@ void TextInputNodeBase::setCommonFontAttributes(
         m_nodeHandle, NODE_FONT_FAMILY, &item));
   }
 
-  if (std::isnan(textAttributes.fontSize)) {
-    maybeThrow(NativeNodeApi::getInstance()->resetAttribute(
-        m_nodeHandle, NODE_FONT_SIZE));
+  bool allowFontScaling = true;
+  if (textAttributes.allowFontScaling.has_value()) {
+    allowFontScaling = textAttributes.allowFontScaling.value();
+  }
+  if (!allowFontScaling) {
+    maybeThrow(NativeNodeApi::getInstance()->setLengthMetricUnit(
+        m_nodeHandle, ArkUI_LengthMetricUnit::ARKUI_LENGTH_METRIC_UNIT_VP));
   } else {
-    bool allowFontScaling = true;
-    if (textAttributes.allowFontScaling.has_value()) {
-        allowFontScaling = textAttributes.allowFontScaling.value();
-    }
+    maybeThrow(NativeNodeApi::getInstance()->setLengthMetricUnit(
+        m_nodeHandle, ArkUI_LengthMetricUnit::ARKUI_LENGTH_METRIC_UNIT_FP));
+  }
 
-    float fontSize = static_cast<float>(textAttributes.fontSize);
-    if (!allowFontScaling) {
-      maybeThrow(NativeNodeApi::getInstance()->setLengthMetricUnit(
-          m_nodeHandle, ArkUI_LengthMetricUnit::ARKUI_LENGTH_METRIC_UNIT_VP));
-    } else {
-      maybeThrow(NativeNodeApi::getInstance()->setLengthMetricUnit(
-          m_nodeHandle, ArkUI_LengthMetricUnit::ARKUI_LENGTH_METRIC_UNIT_FP));
-    }
-    std::array<ArkUI_NumberValue, 1> value = {
-        {{.f32 = fontSize}}};
-    ArkUI_AttributeItem item = {value.data(), value.size()};
-    maybeThrow(NativeNodeApi::getInstance()->setAttribute(
-        m_nodeHandle, NODE_FONT_SIZE, &item));
+  float fontSize = defaultFontSize;
+  if (!std::isnan(textAttributes.fontSize)) {
+    fontSize = static_cast<float>(textAttributes.fontSize);
   }
+  std::array<ArkUI_NumberValue, 1> value = {{{.f32 = fontSize}}};
+  ArkUI_AttributeItem item = {value.data(), value.size()};
+  maybeThrow(NativeNodeApi::getInstance()->setAttribute(
+      m_nodeHandle, NODE_FONT_SIZE, &item));
 
   if (textAttributes.fontWeight.has_value()) {
     std::array<ArkUI_NumberValue, 1> value = {
diff --git a/tester/harmony/react_native_openharmony/src/main/cpp/RNOH/arkui/TextInputNodeBase.h b/tester/harmony/react_native_openharmony/src/main/cpp/RNOH/arkui/TextInputNodeBase.h
index 6f8b6aace9aabab68c071b782180688c001f0c0b..c52103916ecf8aa00458d02a4f639abe90d50a81 100644
--- a/tester/harmony/react_native_openharmony/src/main/cpp/RNOH/arkui/TextInputNodeBase.h
+++ b/tester/harmony/react_native_openharmony/src/main/cpp/RNOH/arkui/TextInputNodeBase.h
@@ -18,6 +18,7 @@ class TextInputNodeBase : public ArkUINode {
   TextInputNodeBase(ArkUI_NodeType nodeType);
   void setCommonFontAttributes(
       facebook::react::TextAttributes const& textAttributes);
+      const float defaultFontSize = 16.0;
 
  public:
   void setPadding(