diff --git a/GaiaXAndroid/src/androidTest/java/com/alibaba/gaiax/GXBaseTest.kt b/GaiaXAndroid/src/androidTest/java/com/alibaba/gaiax/GXBaseTest.kt
index 1bfbe1a01..21ef5dbc7 100644
--- a/GaiaXAndroid/src/androidTest/java/com/alibaba/gaiax/GXBaseTest.kt
+++ b/GaiaXAndroid/src/androidTest/java/com/alibaba/gaiax/GXBaseTest.kt
@@ -53,7 +53,6 @@ open class GXBaseTest {
             .registerExtensionColor(GXProcessorColor())
             .registerExtensionSize(GXExtensionSize())
             .registerExtensionDynamicProperty(GXExtensionDynamicProperty())
-            .registerExtensionStaticProperty(GXExtensionStaticProperty())
             .registerExtensionScroll(GXExtensionScroll())
 
     }
@@ -123,19 +122,6 @@ open class GXBaseTest {
         }
     }
 
-    class GXExtensionStaticProperty : GXRegisterCenter.GXIExtensionStaticProperty {
-
-        override fun convert(params: GXRegisterCenter.GXIExtensionStaticProperty.GXParams): Any? {
-            if (params.propertyName == GXTemplateKey.STYLE_FONT_FAMILY && params.value == "unknow_fontfamily") {
-                return Typeface.createFromAsset(
-                    context.assets,
-                    "fontfamily3.ttf"
-                )
-            }
-            return null
-        }
-    }
-
     class GXExtensionSize : GXRegisterCenter.GXIExtensionSize {
         override fun create(value: String): Float? {
             Log.d(TAG, "createProcessing() called with: size = $value")
diff --git a/GaiaXAndroid/src/androidTest/java/com/alibaba/gaiax/GXCommonApiTest.kt b/GaiaXAndroid/src/androidTest/java/com/alibaba/gaiax/GXCommonApiTest.kt
index d573f3d78..72ab76ca3 100644
--- a/GaiaXAndroid/src/androidTest/java/com/alibaba/gaiax/GXCommonApiTest.kt
+++ b/GaiaXAndroid/src/androidTest/java/com/alibaba/gaiax/GXCommonApiTest.kt
@@ -1,6 +1,7 @@
 package com.alibaba.gaiax
 
 import android.content.Context
+import android.graphics.Typeface
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import androidx.test.platform.app.InstrumentationRegistry
 import com.alibaba.fastjson.JSONObject
@@ -22,7 +23,17 @@ class GXCommonApiTest {
     }
 
     @Test
-    fun template_position_relative_left() {
+    fun template_font_family() {
+        GXRegisterCenter.instance.registerExtensionFontFamily(object :
+            GXRegisterCenter.GXIExtensionFontFamily {
+            override fun fontFamily(fontFamilyName: String): Typeface? {
+                return Typeface.createFromAsset(GXMockUtils.context.assets, fontFamilyName)
+            }
+        })
+    }
+
+    @Test
+    fun template_bind_data_measure_size() {
         val templateItem = GXTemplateEngine.GXTemplateItem(
             GXMockUtils.context,
             "api",
diff --git a/GaiaXAndroid/src/androidTest/java/com/alibaba/gaiax/GXComponentTextTest.kt b/GaiaXAndroid/src/androidTest/java/com/alibaba/gaiax/GXComponentTextTest.kt
index 60733df16..b9028a466 100644
--- a/GaiaXAndroid/src/androidTest/java/com/alibaba/gaiax/GXComponentTextTest.kt
+++ b/GaiaXAndroid/src/androidTest/java/com/alibaba/gaiax/GXComponentTextTest.kt
@@ -2,6 +2,7 @@ package com.alibaba.gaiax
 
 import android.graphics.Color
 import android.graphics.Paint
+import android.graphics.Typeface
 import android.text.TextUtils
 import android.util.Log
 import android.view.Gravity
@@ -147,6 +148,19 @@ class GXComponentTextTest : GXBaseTest() {
 
     @Test
     fun template_text_processor_font_family() {
+        GXRegisterCenter.instance.registerExtensionStaticProperty(object :
+            GXRegisterCenter.GXIExtensionStaticProperty {
+            override fun convert(params: GXRegisterCenter.GXIExtensionStaticProperty.GXParams): Any? {
+                if (params.propertyName == GXTemplateKey.STYLE_FONT_FAMILY && params.value == "unknow_fontfamily") {
+                    return Typeface.createFromAsset(
+                        GXMockUtils.context.assets,
+                        "fontfamily3.ttf"
+                    )
+                }
+                return null
+            }
+        })
+
         val templateItem = GXTemplateEngine.GXTemplateItem(
             GXMockUtils.context,
             "text",
@@ -467,6 +481,19 @@ class GXComponentTextTest : GXBaseTest() {
 
     @Test
     fun template_text_property_font_family() {
+        GXRegisterCenter.instance.registerExtensionStaticProperty(object :
+            GXRegisterCenter.GXIExtensionStaticProperty {
+            override fun convert(params: GXRegisterCenter.GXIExtensionStaticProperty.GXParams): Any? {
+                if (params.propertyName == GXTemplateKey.STYLE_FONT_FAMILY) {
+                    return Typeface.createFromAsset(
+                        GXMockUtils.context.assets,
+                        "${params.value}.ttf"
+                    )
+                }
+                return null
+            }
+        })
+
         val templateItem = GXTemplateEngine.GXTemplateItem(
             GXMockUtils.context,
             "text",
@@ -1090,7 +1117,10 @@ class GXComponentTextTest : GXBaseTest() {
         )
         textView.measure(widthSpec, 0)
 
-        Log.e("[GaiaX]", "textView.measuredWidth=${textView.measuredWidth.toFloat()} textView.measuredHeight=${textView.measuredHeight.toFloat()}")
+        Log.e(
+            "[GaiaX]",
+            "textView.measuredWidth=${textView.measuredWidth.toFloat()} textView.measuredHeight=${textView.measuredHeight.toFloat()}"
+        )
 
         Assert.assertEquals(textView.measuredWidth.toFloat(), rootView.child(0).width())
         Assert.assertEquals(textView.measuredHeight.toFloat(), rootView.child(0).height())
diff --git a/GaiaXAndroid/src/main/kotlin/com/alibaba/gaiax/GXRegisterCenter.kt b/GaiaXAndroid/src/main/kotlin/com/alibaba/gaiax/GXRegisterCenter.kt
index 59bb425a4..9f2399592 100644
--- a/GaiaXAndroid/src/main/kotlin/com/alibaba/gaiax/GXRegisterCenter.kt
+++ b/GaiaXAndroid/src/main/kotlin/com/alibaba/gaiax/GXRegisterCenter.kt
@@ -16,6 +16,7 @@
 
 package com.alibaba.gaiax
 
+import android.graphics.Typeface
 import android.view.ViewGroup
 import com.alibaba.fastjson.JSONArray
 import com.alibaba.fastjson.JSONObject
@@ -129,6 +130,23 @@ class GXRegisterCenter {
         fun convert(params: GXParams): Any?
     }
 
+    /**
+     * Load Typeface
+     *  Basic usage:
+     * ```
+     * GXRegisterCenter.instance.registerExtensionFontFamily(object :
+     *      GXRegisterCenter.GXIExtensionFontFamily {
+     *      override fun fontFamily(fontFamilyName: String): Typeface? {
+     *          return Typeface.createFromAsset(GXMockUtils.context.assets, fontFamilyName)
+     *      }
+     * })
+     * ```
+     */
+    interface GXIExtensionFontFamily {
+
+        fun fontFamily(fontFamilyName: String): Typeface?
+    }
+
     interface GXIExtensionBizMap {
         fun convert(item: GXTemplateEngine.GXTemplateItem)
     }
@@ -315,6 +333,18 @@ class GXRegisterCenter {
         return this
     }
 
+    fun registerExtensionFontFamily(extensionFontFamily: GXIExtensionFontFamily): GXRegisterCenter {
+        this.extensionStaticProperty = object : GXIExtensionStaticProperty {
+            override fun convert(params: GXIExtensionStaticProperty.GXParams): Any? {
+                if (params.propertyName == GXTemplateKey.STYLE_FONT_FAMILY) {
+                    return extensionFontFamily.fontFamily(params.value as String)
+                }
+                return null
+            }
+        }
+        return this
+    }
+
     fun reset() {
         extensionNodeEvent = null
         extensionCompatibility = null
diff --git a/GaiaXAndroid/src/main/kotlin/com/alibaba/gaiax/template/GXStyleConvert.kt b/GaiaXAndroid/src/main/kotlin/com/alibaba/gaiax/template/GXStyleConvert.kt
index ccea78c50..c47be1772 100644
--- a/GaiaXAndroid/src/main/kotlin/com/alibaba/gaiax/template/GXStyleConvert.kt
+++ b/GaiaXAndroid/src/main/kotlin/com/alibaba/gaiax/template/GXStyleConvert.kt
@@ -171,27 +171,20 @@ class GXStyleConvert {
     }
 
     fun fontFamily(fontFamily: String): Typeface? {
-        try {
-            // extend
-            GXRegisterCenter
-                .instance
-                .extensionStaticProperty
-                ?.convert(
-                    GXRegisterCenter.GXIExtensionStaticProperty.GXParams(
-                        GXTemplateKey.STYLE_FONT_FAMILY,
-                        fontFamily
-                    )
+        // extend
+        GXRegisterCenter
+            .instance
+            .extensionStaticProperty
+            ?.convert(
+                GXRegisterCenter.GXIExtensionStaticProperty.GXParams(
+                    GXTemplateKey.STYLE_FONT_FAMILY,
+                    fontFamily
                 )
-                ?.let {
-                    (it as? Typeface)?.let { return it }
-                }
-
-            // src
-            return Typeface.createFromAsset(assets, "$fontFamily.ttf")
-        } catch (e: Exception) {
-            e.printStackTrace()
-            return null
-        }
+            )
+            ?.let {
+                (it as? Typeface)?.let { return it }
+            }
+        return null
     }
 
     fun font(css: JSONObject): GXSize? =