diff --git a/fluent-validator-demo/pom.xml b/fluent-validator-demo/pom.xml
index 94f38ff..4730ca6 100644
--- a/fluent-validator-demo/pom.xml
+++ b/fluent-validator-demo/pom.xml
@@ -7,12 +7,12 @@
         <groupId>com.baidu.unbiz</groupId>
         <artifactId>fluent-validator-parent</artifactId>
         <relativePath>../pom.xml</relativePath>
-        <version>1.0.8</version>
+        <version>1.0.9</version>
     </parent>
 
     <groupId>com.baidu.unbiz</groupId>
     <artifactId>fluent-validator-demo</artifactId>
-    <version>1.0.8</version>
+    <version>1.0.9</version>
     <packaging>jar</packaging>
     <name>fluent-validator-demo</name>
     <description>A simple Java validation framework leveraging fluent interface style and JSR 303 specification
@@ -22,7 +22,7 @@
         <dependency>
             <groupId>com.baidu.unbiz</groupId>
             <artifactId>fluent-validator-spring</artifactId>
-            <version>1.0.8</version>
+            <version>1.0.9</version>
         </dependency>
 
         <dependency>
diff --git a/fluent-validator-jsr303/pom.xml b/fluent-validator-jsr303/pom.xml
index a8c7eea..9aea6cd 100644
--- a/fluent-validator-jsr303/pom.xml
+++ b/fluent-validator-jsr303/pom.xml
@@ -6,12 +6,12 @@
         <groupId>com.baidu.unbiz</groupId>
         <artifactId>fluent-validator-parent</artifactId>
         <relativePath>../pom.xml</relativePath>
-        <version>1.0.8</version>
+        <version>1.0.9</version>
     </parent>
 
     <groupId>com.baidu.unbiz</groupId>
     <artifactId>fluent-validator-jsr303</artifactId>
-    <version>1.0.8</version>
+    <version>1.0.9</version>
     <packaging>jar</packaging>
     <name>fluent-validator-jsr303</name>
     <description>A simple Java validation framework leveraging fluent interface style and JSR 303 specification
@@ -21,7 +21,7 @@
         <dependency>
             <groupId>com.baidu.unbiz</groupId>
             <artifactId>fluent-validator</artifactId>
-            <version>1.0.8</version>
+            <version>1.0.9</version>
         </dependency>
 
         <dependency>
diff --git a/fluent-validator-spring/pom.xml b/fluent-validator-spring/pom.xml
index 06d421d..d8c556d 100644
--- a/fluent-validator-spring/pom.xml
+++ b/fluent-validator-spring/pom.xml
@@ -6,12 +6,12 @@
         <groupId>com.baidu.unbiz</groupId>
         <artifactId>fluent-validator-parent</artifactId>
         <relativePath>../pom.xml</relativePath>
-        <version>1.0.8</version>
+        <version>1.0.9</version>
     </parent>
 
     <groupId>com.baidu.unbiz</groupId>
     <artifactId>fluent-validator-spring</artifactId>
-    <version>1.0.8</version>
+    <version>1.0.9</version>
     <packaging>jar</packaging>
     <name>fluent-validator-spring</name>
     <description>A simple Java validation framework leveraging fluent interface style and JSR 303 specification
@@ -21,13 +21,13 @@
         <dependency>
             <groupId>com.baidu.unbiz</groupId>
             <artifactId>fluent-validator</artifactId>
-            <version>1.0.8</version>
+            <version>1.0.9</version>
         </dependency>
 
         <dependency>
             <groupId>com.baidu.unbiz</groupId>
             <artifactId>fluent-validator-jsr303</artifactId>
-            <version>1.0.8</version>
+            <version>1.0.9</version>
         </dependency>
 
         <dependency>
diff --git a/fluent-validator/pom.xml b/fluent-validator/pom.xml
index 44e3e80..44f220c 100644
--- a/fluent-validator/pom.xml
+++ b/fluent-validator/pom.xml
@@ -6,12 +6,12 @@
         <groupId>com.baidu.unbiz</groupId>
         <artifactId>fluent-validator-parent</artifactId>
         <relativePath>../pom.xml</relativePath>
-        <version>1.0.8</version>
+        <version>1.0.9</version>
     </parent>
 
     <groupId>com.baidu.unbiz</groupId>
     <artifactId>fluent-validator</artifactId>
-    <version>1.0.8</version>
+    <version>1.0.9</version>
     <packaging>jar</packaging>
     <name>fluent-validator</name>
     <description>A simple Java validation framework leveraging fluent interface style and JSR 303 specification
diff --git a/fluent-validator/src/main/java/com/baidu/unbiz/fluentvalidator/AnnotationValidatorCache.java b/fluent-validator/src/main/java/com/baidu/unbiz/fluentvalidator/AnnotationValidatorCache.java
index d07ed90..1e09cf4 100644
--- a/fluent-validator/src/main/java/com/baidu/unbiz/fluentvalidator/AnnotationValidatorCache.java
+++ b/fluent-validator/src/main/java/com/baidu/unbiz/fluentvalidator/AnnotationValidatorCache.java
@@ -80,7 +80,7 @@ private static void addByClass(Registry registry, Class<?> clazz) {
             List<AnnotationValidator> annotationValidators = getAllAnnotationValidators(registry, clazz);
 
             if (CollectionUtil.isEmpty(annotationValidators)) {
-                LOGGER.warn(String.format("Annotation-based validation enabled for %s, and to-do validators are empty",
+                LOGGER.debug(String.format("Annotation-based validation enabled for %s, and to-do validators are empty",
                         clazz.getSimpleName()));
             } else {
                 CLASS_2_ANNOTATION_VALIDATOR_MAP.putIfAbsent(clazz, annotationValidators);
@@ -112,7 +112,7 @@ private static List<AnnotationValidator> getAllAnnotationValidators(Registry reg
             Class<? extends Validator>[] validatorClasses = fluentValidateAnnt.value();
             Class<?>[] groups = fluentValidateAnnt.groups();
             if (validatorClasses == null || validatorClasses.length == 0) {
-                LOGGER.warn(String.format("No validator annotation bound %s#%s", clazz.getSimpleName(),
+                LOGGER.debug(String.format("No validator annotation bound %s#%s", clazz.getSimpleName(),
                         field.getName()));
                 continue;
             }
@@ -144,7 +144,7 @@ private static List<AnnotationValidator> getAllAnnotationValidators(Registry reg
             }
 
             if (CollectionUtil.isEmpty(validators)) {
-                LOGGER.warn(String.format("Annotation-based validation enabled but none of the validators is "
+                LOGGER.debug(String.format("Annotation-based validation enabled but none of the validators is "
                         + "applicable for %s#%s", clazz.getSimpleName(), field.getName()));
                 continue;
             }
diff --git a/pom.xml b/pom.xml
index 8cbcdca..fd0af09 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.baidu.unbiz</groupId>
     <artifactId>fluent-validator-parent</artifactId>
-    <version>1.0.8</version>
+    <version>1.0.9</version>
     <name>fluent-validator-parent</name>
     <packaging>pom</packaging>
     <description>A simple Java validation framework leveraging fluent interface style and JSR 303 specification