diff --git a/retrofitgo/src/main/java/io/microshow/retrofitgo/internal/CommonNetBoundResource.java b/retrofitgo/src/main/java/io/microshow/retrofitgo/internal/CommonNetBoundResource.java
index 4856c99..5112cb4 100644
--- a/retrofitgo/src/main/java/io/microshow/retrofitgo/internal/CommonNetBoundResource.java
+++ b/retrofitgo/src/main/java/io/microshow/retrofitgo/internal/CommonNetBoundResource.java
@@ -34,6 +34,7 @@ public CommonNetBoundResource(CachePolicyMode cachePolicyMode) {
                 T cacheData = getCacheResult(cacheKey);
                 if (cacheData != null) {
                     emitter.onNext(Resource.success(cacheData, true));
+                    Thread.sleep(100);
                 }
             }
 
diff --git a/retrofitgo/src/main/java/io/microshow/retrofitgo/internal/ErrorHelper.java b/retrofitgo/src/main/java/io/microshow/retrofitgo/internal/ErrorHelper.java
index 8b9a017..4984029 100644
--- a/retrofitgo/src/main/java/io/microshow/retrofitgo/internal/ErrorHelper.java
+++ b/retrofitgo/src/main/java/io/microshow/retrofitgo/internal/ErrorHelper.java
@@ -62,7 +62,7 @@ public static Error unKnowError() {
     }
 
     public static Error apiError(int code, String message) {
-        return new Error(code, code + ": " + message);
+        return new Error(code, message);
     }
 
     private static String getString(@StringRes int resId) {
diff --git a/sample/src/main/java/io/microshow/retrofitgo/sample/reponsitory/OneReponsitory.java b/sample/src/main/java/io/microshow/retrofitgo/sample/reponsitory/OneReponsitory.java
index 2e1edac..a2c895e 100644
--- a/sample/src/main/java/io/microshow/retrofitgo/sample/reponsitory/OneReponsitory.java
+++ b/sample/src/main/java/io/microshow/retrofitgo/sample/reponsitory/OneReponsitory.java
@@ -27,7 +27,7 @@ public Flowable<Resource<MovieModel>> loadOneData(Map<String, String> params) {
         String mCacheKey = this.getClass().getName()
                 + "." + Thread.currentThread().getStackTrace()[2].getMethodName()
                 + "." + params.hashCode();
-        return new CommonNetBoundResource<MovieModel>(CachePolicyMode.POLICY_NETWORK_ELSE_CACHE) {
+        return new CommonNetBoundResource<MovieModel>(CachePolicyMode.POLICY_CACHE_AND_NETWORK) {
             @NonNull
             @Override
             protected Flowable fetchFromNet() {