fix boolean data type issue for Pojoutils.java#getDefaultValue

diff --git a/dubbo-common/src/main/java/org/apache/dubbo/common/utils/PojoUtils.java b/dubbo-common/src/main/java/org/apache/dubbo/common/utils/PojoUtils.java
index 2a6b73e..8e9fc4a 100644
--- a/dubbo-common/src/main/java/org/apache/dubbo/common/utils/PojoUtils.java
+++ b/dubbo-common/src/main/java/org/apache/dubbo/common/utils/PojoUtils.java
@@ -607,7 +607,7 @@
         if ("char".equals(parameterType.getName())) {

             return Character.MIN_VALUE;

         }

-        if ("bool".equals(parameterType.getName())) {

+        if ("boolean".equals(parameterType.getName())) {

             return false;

         }

         return parameterType.isPrimitive() ? 0 : null;

diff --git a/dubbo-common/src/test/java/org/apache/dubbo/common/model/SerializablePerson.java b/dubbo-common/src/test/java/org/apache/dubbo/common/model/SerializablePerson.java
index d78c592..730d2cb 100644
--- a/dubbo-common/src/test/java/org/apache/dubbo/common/model/SerializablePerson.java
+++ b/dubbo-common/src/test/java/org/apache/dubbo/common/model/SerializablePerson.java
@@ -27,6 +27,9 @@
 
     private String[] value = {"value1", "value2"};
 
+    public SerializablePerson(char description , boolean adult){
+
+    }
     public String getName() {
         return name;
     }
@@ -94,4 +97,4 @@
             return false;
         return true;
     }
-}
\ No newline at end of file
+}
diff --git a/dubbo-common/src/test/java/org/apache/dubbo/common/utils/PojoUtilsTest.java b/dubbo-common/src/test/java/org/apache/dubbo/common/utils/PojoUtilsTest.java
index 24cb292..9259323 100644
--- a/dubbo-common/src/test/java/org/apache/dubbo/common/utils/PojoUtilsTest.java
+++ b/dubbo-common/src/test/java/org/apache/dubbo/common/utils/PojoUtilsTest.java
@@ -133,7 +133,7 @@
     @Test
     public void test_pojo() throws Exception {
         assertObject(new Person());
-        assertObject(new SerializablePerson());
+        assertObject(new SerializablePerson(Character.MIN_VALUE, false));
     }
 
     @Test
@@ -147,7 +147,7 @@
 
         List<Object> list = new ArrayList<Object>();
         list.add(new Person());
-        list.add(new SerializablePerson());
+        list.add(new SerializablePerson(Character.MIN_VALUE, false));
 
         map.put("k", list);
 
@@ -901,4 +901,4 @@
 
         boolean isUrgent();
     }
-}
\ No newline at end of file
+}