diff --git a/arouter-api/src/main/java/com/alibaba/android/arouter/core/LogisticsCenter.java b/arouter-api/src/main/java/com/alibaba/android/arouter/core/LogisticsCenter.java
index a8ddfd69..ee84bef5 100644
--- a/arouter-api/src/main/java/com/alibaba/android/arouter/core/LogisticsCenter.java
+++ b/arouter-api/src/main/java/com/alibaba/android/arouter/core/LogisticsCenter.java
@@ -221,6 +221,8 @@ private static void setValue(Postcard postcard, Integer typeDef, String key, Str
                     // TODO : How to description parcelable value with string?
                 } else if (typeDef == TypeKind.OBJECT.ordinal()) {
                     postcard.withString(key, value);
+                } else {    // Compatible compiler sdk 1.0.3, in that version, the string type = 18
+                    postcard.withString(key, value);
                 }
             } else {
                 postcard.withString(key, value);
diff --git a/gradle.properties b/gradle.properties
index 62597506..d08c862c 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -25,7 +25,7 @@ MIN_SDK_VERSION=12
 TARGET_SDK_VERSION=25
 
 arouter_compiler_version=1.0.4
-arouter_api_version=1.0.8
+arouter_api_version=1.0.9
 arouter_annotation_version=1.0.3
 
 bintrayRepo=maven