diff --git a/pom.xml b/pom.xml
index 05d88d9..2860bee 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>com.aliyun</groupId>
     <artifactId>tea</artifactId>
-    <version>1.4.2</version>
+    <version>1.4.3</version>
     <packaging>jar</packaging>
 
     <name>tea</name>
diff --git a/src/main/java/com/aliyun/tea/TeaModel.java b/src/main/java/com/aliyun/tea/TeaModel.java
index f56ac0c..be0b9ff 100644
--- a/src/main/java/com/aliyun/tea/TeaModel.java
+++ b/src/main/java/com/aliyun/tea/TeaModel.java
@@ -359,27 +359,27 @@ public static Object confirmType(Class expect, Object object, String objectName)
         BigDecimal bigDecimal;
         if (String.class.isAssignableFrom(expect)) {
             if (object instanceof Number || object instanceof Boolean) {
-                logger.info("[{}] There are some cast events happening. expect: {}, but: {}, value: {}.",
+                logger.verbose("[{}] There are some cast events happening. expect: {}, but: {}, value: {}.",
                         objectName, String.class.getName(), object.getClass().getName(), object.toString());
                 return object.toString();
             }
             if (object instanceof Map || object instanceof List) {
-                logger.info("[{}] There are some cast events happening. expect: {}, but: {}, value: {}.",
+                logger.verbose("[{}] There are some cast events happening. expect: {}, but: {}, value: {}.",
                         objectName, String.class.getName(), object.getClass().getName(), object.toString());
                 return new Gson().toJson(object);
             }
         } else if (Boolean.class.isAssignableFrom(expect)) {
             if (object instanceof String) {
-                logger.info("[{}] There are some cast events happening. expect: {}, but: {}, value: {}.",
+                logger.verbose("[{}] There are some cast events happening. expect: {}, but: {}, value: {}.",
                         objectName, Boolean.class.getName(), object.getClass().getName(), object.toString());
                 return Boolean.parseBoolean(String.valueOf(object));
             } else if (object instanceof Number) {
                 if (object.toString().equals("1")) {
-                    logger.info("[{}] There are some cast events happening. expect: {}, but: {}, value: {}.",
+                    logger.verbose("[{}] There are some cast events happening. expect: {}, but: {}, value: {}.",
                             objectName, Boolean.class.getName(), object.getClass().getName(), object.toString());
                     return true;
                 } else if (object.toString().equals("0")) {
-                    logger.info("[{}] There are some cast events happening. expect: {}, but: {}, value: {}.",
+                    logger.verbose("[{}] There are some cast events happening. expect: {}, but: {}, value: {}.",
                             objectName, Boolean.class.getName(), object.getClass().getName(), object.toString());
                     return false;
                 }
@@ -389,20 +389,20 @@ public static Object confirmType(Class expect, Object object, String objectName)
                 try {
                     Integer.parseInt(object.toString());
                 } catch (NumberFormatException e) {
-                    logger.warning("[{}] There are some cast events happening. expect: {}, but: {}, value: {}.",
+                    logger.verbose("[{}] There are some cast events happening. expect: {}, but: {}, value: {}.",
                             objectName, Integer.class.getName(), object.getClass().getName(), object.toString());
                 }
                 bigDecimal = new BigDecimal(object.toString());
                 return bigDecimal.intValue();
             }
             if (object instanceof Boolean) {
-                logger.warning("[{}] There are some cast events happening. expect: {}, but: {}, value: {}.",
+                logger.verbose("[{}] There are some cast events happening. expect: {}, but: {}, value: {}.",
                         objectName, Integer.class.getName(), object.getClass().getName(), object.toString());
                 return object.toString().equalsIgnoreCase("true") ? 1 : 0;
             }
             if (object instanceof Long) {
                 if ((Long) object > Integer.MAX_VALUE) {
-                    logger.warning("[{}] There are some cast events happening. expect: {}, but: {}, value: {}.",
+                    logger.verbose("[{}] There are some cast events happening. expect: {}, but: {}, value: {}.",
                             objectName, Integer.class.getName(), object.getClass().getName(), object.toString());
                 }
                 bigDecimal = new BigDecimal(object.toString());
@@ -410,7 +410,7 @@ public static Object confirmType(Class expect, Object object, String objectName)
             }
             if (object instanceof Float || object instanceof Double) {
                 bigDecimal = new BigDecimal(object.toString());
-                logger.warning("[{}] There are some cast events happening. expect: {}, but: {}, value: {}.",
+                logger.verbose("[{}] There are some cast events happening. expect: {}, but: {}, value: {}.",
                         objectName, Integer.class.getName(), object.getClass().getName(), object.toString());
                 return bigDecimal.intValue();
             }
@@ -419,7 +419,7 @@ public static Object confirmType(Class expect, Object object, String objectName)
                 try {
                     Long.parseLong(object.toString());
                 } catch (NumberFormatException e) {
-                    logger.warning("[{}] There are some cast events happening. expect: {}, but: {}, value: {}.",
+                    logger.verbose("[{}] There are some cast events happening. expect: {}, but: {}, value: {}.",
                             objectName, Long.class.getName(), object.getClass().getName(), object.toString());
                 }
                 bigDecimal = new BigDecimal(object.toString());
@@ -427,7 +427,7 @@ public static Object confirmType(Class expect, Object object, String objectName)
             }
             if (object instanceof Float || object instanceof Double) {
                 bigDecimal = new BigDecimal(object.toString());
-                logger.warning("[{}] There are some cast events happening. expect: {}, but: {}, value: {}.",
+                logger.verbose("[{}] There are some cast events happening. expect: {}, but: {}, value: {}.",
                         objectName, Long.class.getName(), object.getClass().getName(), object.toString());
                 return bigDecimal.longValue();
             }
@@ -436,7 +436,7 @@ public static Object confirmType(Class expect, Object object, String objectName)
                 try {
                     Float.parseFloat(object.toString());
                 } catch (NumberFormatException e) {
-                    logger.warning("[{}] There are some cast events happening. expect: {}, but: {}, value: {}.",
+                    logger.verbose("[{}] There are some cast events happening. expect: {}, but: {}, value: {}.",
                             objectName, Float.class.getName(), object.getClass().getName(), object.toString());
                 }
                 bigDecimal = new BigDecimal(object.toString());
@@ -444,7 +444,7 @@ public static Object confirmType(Class expect, Object object, String objectName)
             }
             if (object instanceof Double) {
                 if ((Double) object > Float.MAX_VALUE) {
-                    logger.warning("[{}] There are some cast events happening. expect: {}, but: {}, value: {}.",
+                    logger.verbose("[{}] There are some cast events happening. expect: {}, but: {}, value: {}.",
                             objectName, Float.class.getName(), object.getClass().getName(), object.toString());
                 }
                 bigDecimal = new BigDecimal(object.toString());
@@ -452,7 +452,7 @@ public static Object confirmType(Class expect, Object object, String objectName)
             }
             if (object instanceof Integer || object instanceof Long) {
                 bigDecimal = new BigDecimal(object.toString());
-                logger.warning("[{}] There are some cast events happening. expect: {}, but: {}, value: {}.",
+                logger.verbose("[{}] There are some cast events happening. expect: {}, but: {}, value: {}.",
                         objectName, Float.class.getName(), object.getClass().getName(), object.toString());
                 return bigDecimal.floatValue();
             }
@@ -461,7 +461,7 @@ public static Object confirmType(Class expect, Object object, String objectName)
                 try {
                     Double.parseDouble(object.toString());
                 } catch (NumberFormatException e) {
-                    logger.warning("[{}] There are some cast events happening. expect: {}, but: {}, value: {}.",
+                    logger.verbose("[{}] There are some cast events happening. expect: {}, but: {}, value: {}.",
                             objectName, Double.class.getName(), object.getClass().getName(), object.toString());
                 }
                 bigDecimal = new BigDecimal(object.toString());
@@ -469,7 +469,7 @@ public static Object confirmType(Class expect, Object object, String objectName)
             }
             if (object instanceof Integer || object instanceof Long) {
                 bigDecimal = new BigDecimal(object.toString());
-                logger.warning("[{}] There are some cast events happening. expect: {}, but: {}, value: {}.",
+                logger.verbose("[{}] There are some cast events happening. expect: {}, but: {}, value: {}.",
                         objectName, Double.class.getName(), object.getClass().getName(), object.toString());
                 return bigDecimal.doubleValue();
             }
diff --git a/src/test/java/com/aliyun/tea/TeaModelTest.java b/src/test/java/com/aliyun/tea/TeaModelTest.java
index 85d7138..1e8ceb7 100644
--- a/src/test/java/com/aliyun/tea/TeaModelTest.java
+++ b/src/test/java/com/aliyun/tea/TeaModelTest.java
@@ -802,4 +802,51 @@ public void confirmTypeTest() {
         Assert.assertEquals("[\"1\",2,true,{\"sub\":\"sub\"}]", object6);
 
     }
+
+    @Test
+    public void confirmTypeShrinkFiltersMapToString() {
+        Map<String, Object> filter = new HashMap<String, Object>();
+        filter.put("Operator", "IN");
+        List<String> values = new ArrayList<String>();
+        values.add("po-000001bctotzplhahu1d");
+        filter.put("Value", values);
+        filter.put("Name", "policyId");
+
+        List<Object> filters = new ArrayList<Object>();
+        filters.add(filter);
+
+        Map<String, Object> filtersWrapper = new HashMap<String, Object>();
+        filtersWrapper.put("Filters", filters);
+
+        Object result = TeaModel.confirmType(String.class, filtersWrapper,
+                "com.aliyun.hbrpolicyinner20260527.models.ListPolicyBindingsShrinkRequest.filtersShrink");
+        Assert.assertEquals(String.class, result.getClass());
+        String json = (String) result;
+        Assert.assertTrue(json.contains("\"Filters\""));
+        Assert.assertTrue(json.contains("\"Operator\":\"IN\""));
+        Assert.assertTrue(json.contains("\"Name\":\"policyId\""));
+        Assert.assertTrue(json.contains("po-000001bctotzplhahu1d"));
+
+        Object listJson = TeaModel.confirmType(String.class, filters,
+                "com.aliyun.hbrpolicyinner20260527.models.ListPolicyBindingsShrinkRequest.filtersShrink");
+        Assert.assertEquals(String.class, listJson.getClass());
+        Assert.assertTrue(((String) listJson).startsWith("["));
+        Assert.assertTrue(((String) listJson).contains("\"Operator\":\"IN\""));
+    }
+
+    @Test
+    public void confirmTypeInvalidFloatDoubleStringStillLogsVerboseThenFails() {
+        try {
+            TeaModel.confirmType(Float.class, "not-a-number", "field.float");
+            Assert.fail("expected NumberFormatException");
+        } catch (NumberFormatException e) {
+            // Float.parseFloat fails → verbose cast log; BigDecimal then throws
+        }
+        try {
+            TeaModel.confirmType(Double.class, "not-a-number", "field.double");
+            Assert.fail("expected NumberFormatException");
+        } catch (NumberFormatException e) {
+            // same path for Double
+        }
+    }
 }