diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/query/QueryCondition.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/query/QueryCondition.java
index a21d4413..98d56480 100644
--- a/mybatis-flex-core/src/main/java/com/mybatisflex/core/query/QueryCondition.java
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/query/QueryCondition.java
@@ -19,6 +19,7 @@ package com.mybatisflex.core.query;
 import com.mybatisflex.core.dialect.IDialect;
 
 import java.io.Serializable;
+import java.lang.reflect.Array;
 import java.util.List;
 import java.util.function.Supplier;
 
@@ -98,48 +99,6 @@ public class QueryCondition implements Serializable {
         this.logic = logic;
     }
 
-    /**
-     * 计算问号（?）的数量
-     *
-     * @return 问号的数量
-     */
-    public int calculateQuestionMarkCount() {
-        if (LOGIC_IS_NULL.equals(logic)
-                || LOGIC_IS_NOT_NULL.equals(logic)
-                || value instanceof QueryColumn
-                || value instanceof QueryWrapper) {
-            return 0;
-        }
-        //between, not between
-        else if (LOGIC_BETWEEN.equals(logic) || LOGIC_NOT_BETWEEN.equals(logic)) {
-            return 2;
-        }
-        //in, not in
-        else if (LOGIC_IN.equals(logic) || LOGIC_NOT_IN.equals(logic)) {
-            return calculateValueArrayCount();
-        }
-        //
-        else {
-            return 1;
-        }
-    }
-
-    private int calculateValueArrayCount() {
-        Object[] values = (Object[]) value;
-        int paramsCount = 0;
-        for (Object v : values) {
-            if (v.getClass() == int[].class) {
-                paramsCount += ((int[]) v).length;
-            } else if (v.getClass() == long[].class) {
-                paramsCount += ((long[]) v).length;
-            } else if (v.getClass() == short[].class) {
-                paramsCount += ((short[]) v).length;
-            } else {
-                paramsCount++;
-            }
-        }
-        return paramsCount;
-    }
 
     public QueryCondition when(boolean effective) {
         this.effective = effective;
@@ -194,7 +153,7 @@ public class QueryCondition implements Serializable {
             }
             //正常查询，构建问号
             else {
-                appendQuestionMark(sql, calculateQuestionMarkCount());
+                appendQuestionMark(sql);
             }
         }
 
@@ -217,16 +176,21 @@ public class QueryCondition implements Serializable {
     }
 
 
-    protected static void appendQuestionMark(StringBuilder sqlBuilder, int paramsCount) {
-        if (paramsCount == 1) {
-            sqlBuilder.append(" ? ");
+    protected void appendQuestionMark(StringBuilder sqlBuilder) {
+        if (LOGIC_IS_NULL.equals(logic)
+                || LOGIC_IS_NOT_NULL.equals(logic)
+                || value instanceof QueryColumn
+                || value instanceof QueryWrapper) {
+            //do nothing
         }
+
         //between, not between
-        else if (paramsCount == 2) {
+        else if (LOGIC_BETWEEN.equals(logic) || LOGIC_NOT_BETWEEN.equals(logic)) {
             sqlBuilder.append(" ? AND ? ");
         }
         //in, not in
-        else if (paramsCount > 0) {
+        else if (LOGIC_IN.equals(logic) || LOGIC_NOT_IN.equals(logic)) {
+            int paramsCount = calculateValueArrayCount();
             sqlBuilder.append('(');
             for (int i = 0; i < paramsCount; i++) {
                 sqlBuilder.append('?');
@@ -236,10 +200,29 @@ public class QueryCondition implements Serializable {
             }
             sqlBuilder.append(')');
         } else {
-            // paramsCount == 0, ignore
+            sqlBuilder.append(" ? ");
         }
     }
 
+
+    private int calculateValueArrayCount() {
+        Object[] values = (Object[]) value;
+        int paramsCount = 0;
+        for (Object object : values) {
+            if (object != null && (object.getClass().isArray()
+                    || object.getClass() == int[].class
+                    || object.getClass() == long[].class
+                    || object.getClass() == short[].class
+                    || object.getClass() == float[].class
+                    || object.getClass() == double[].class)) {
+                paramsCount += Array.getLength(object);
+            } else {
+                paramsCount++;
+            }
+        }
+        return paramsCount;
+    }
+
     @Override
     public String toString() {
         return "QueryCondition{" +
diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/query/WrapperUtil.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/query/WrapperUtil.java
index 7796d4bb..45a9930c 100644
--- a/mybatis-flex-core/src/main/java/com/mybatisflex/core/query/WrapperUtil.java
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/query/WrapperUtil.java
@@ -19,6 +19,7 @@ package com.mybatisflex.core.query;
 import com.mybatisflex.core.util.CollectionUtil;
 import com.mybatisflex.core.util.StringUtil;
 
+import java.lang.reflect.Array;
 import java.util.Arrays;
 import java.util.LinkedList;
 import java.util.List;
@@ -52,15 +53,18 @@ class WrapperUtil {
         if (value != null) {
             if (value.getClass().isArray()) {
                 Object[] values = (Object[]) value;
-                for (Object v : values) {
-                    if (v.getClass() == int[].class) {
-                        addAll(paras, (int[]) v);
-                    } else if (v.getClass() == long[].class) {
-                        addAll(paras, (long[]) v);
-                    } else if (v.getClass() == short[].class) {
-                        addAll(paras, (short[]) v);
+                for (Object object : values) {
+                    if (object != null && (object.getClass().isArray()
+                            || object.getClass() == int[].class
+                            || object.getClass() == long[].class
+                            || object.getClass() == short[].class
+                            || object.getClass() == float[].class
+                            || object.getClass() == double[].class)) {
+                        for (int i = 0; i < Array.getLength(object); i++) {
+                            paras.add(Array.get(object, i));
+                        }
                     } else {
-                        paras.add(v);
+                        paras.add(object);
                     }
                 }
             } else if (value instanceof QueryWrapper) {
@@ -75,26 +79,6 @@ class WrapperUtil {
     }
 
 
-    private static void addAll(List<Object> paras, int[] ints) {
-        for (int i : ints) {
-            paras.add(i);
-        }
-    }
-
-    private static void addAll(List<Object> paras, long[] longs) {
-        for (long i : longs) {
-            paras.add(i);
-        }
-    }
-
-
-    private static void addAll(List<Object> paras, short[] shorts) {
-        for (short i : shorts) {
-            paras.add(i);
-        }
-    }
-
-
     public static String getColumnTableName(List<QueryTable> queryTables, QueryTable queryTable) {
         if (queryTables == null) {
             return "";