diff --git a/plusone-validator/src/main/java/xyz/zhouxy/plusone/validator/BaseComparablePropertyValidator.java b/plusone-validator/src/main/java/xyz/zhouxy/plusone/validator/BaseComparablePropertyValidator.java
index 663e828..52ba86f 100644
--- a/plusone-validator/src/main/java/xyz/zhouxy/plusone/validator/BaseComparablePropertyValidator.java
+++ b/plusone-validator/src/main/java/xyz/zhouxy/plusone/validator/BaseComparablePropertyValidator.java
@@ -30,7 +30,8 @@ public abstract class BaseComparablePropertyValidator<T, TProperty extends Compa
 
     public TPropertyValidator inRange(Range<TProperty> range) {
         withRule(value -> value != null && range.contains(value),
-                convertExceptionCreator("The value is not in the interval " + range.toString()));
+                value -> new IllegalArgumentException(
+                        String.format("The input must in the interval %s. You entered %s.", range, value)));
         return thisObject();
     }
 
diff --git a/plusone-validator/src/main/java/xyz/zhouxy/plusone/validator/BasePropertyValidator.java b/plusone-validator/src/main/java/xyz/zhouxy/plusone/validator/BasePropertyValidator.java
index 2c32402..d3255b5 100644
--- a/plusone-validator/src/main/java/xyz/zhouxy/plusone/validator/BasePropertyValidator.java
+++ b/plusone-validator/src/main/java/xyz/zhouxy/plusone/validator/BasePropertyValidator.java
@@ -71,10 +71,12 @@ public abstract class BasePropertyValidator<T, TProperty, TPropertyValidator ext
     // ====== Object ======
     // ====================
 
-    // ====== notNull =====
+    // ================================
+    // #region - notNull
+    // ================================
 
     public TPropertyValidator notNull() {
-        return notNull("Value could not be null.");
+        return notNull("The input must not be null.");
     }
 
     public TPropertyValidator notNull(String errMsg) {
@@ -90,7 +92,13 @@ public abstract class BasePropertyValidator<T, TProperty, TPropertyValidator ext
         return thisObject();
     }
 
-    // ====== isNull =====
+    // ================================
+    // #endregion - notNull
+    // ================================
+
+    // ================================
+    // #region - isNull
+    // ================================
 
     public TPropertyValidator isNull(String errMsg) {
         return isNull(convertExceptionCreator(errMsg));
@@ -105,10 +113,17 @@ public abstract class BasePropertyValidator<T, TProperty, TPropertyValidator ext
         return thisObject();
     }
 
-    // ===== equals =====
+    // ================================
+    // #endregion - isNull
+    // ================================
+
+    // ================================
+    // #region - equals
+    // ================================
 
     public TPropertyValidator equalsThat(Object that) {
-        return equalsThat(that, value -> new IllegalArgumentException(String.format("(%s) 必须与 (%s) 相等", value, that)));
+        return equalsThat(that,
+                value -> new IllegalArgumentException(String.format("The input must be equal to '%s'.", that)));
     }
 
     public TPropertyValidator equalsThat(Object that, String errMsg) {
@@ -126,10 +141,16 @@ public abstract class BasePropertyValidator<T, TProperty, TPropertyValidator ext
         return thisObject();
     }
 
-    // ===== must =====
+    // ================================
+    // #endregion - equals
+    // ================================
+
+    // ================================
+    // #region - must
+    // ================================
 
     public TPropertyValidator must(Predicate<? super TProperty> condition) {
-        return must(condition, "无效的用户输入");
+        return must(condition, "The specified condition was not met for the input.");
     }
 
     public TPropertyValidator must(Predicate<? super TProperty> condition, String errMsg) {
@@ -149,10 +170,8 @@ public abstract class BasePropertyValidator<T, TProperty, TPropertyValidator ext
         return thisObject();
     }
 
-    // ===== must =====
-
     public TPropertyValidator must(Collection<Predicate<? super TProperty>> conditions) {
-        return must(conditions, "无效的用户输入");
+        return must(conditions, "The specified conditions were not met for the input.");
     }
 
     public TPropertyValidator must(Collection<Predicate<? super TProperty>> conditions, String errMsg) {
@@ -174,6 +193,10 @@ public abstract class BasePropertyValidator<T, TProperty, TPropertyValidator ext
         return thisObject();
     }
 
+    // ================================
+    // #endregion - must
+    // ================================
+
     static <V> Function<V, IllegalArgumentException> convertExceptionCreator(String errMsg) {
         return value -> new IllegalArgumentException(errMsg);
     }
diff --git a/plusone-validator/src/main/java/xyz/zhouxy/plusone/validator/BoolPropertyValidator.java b/plusone-validator/src/main/java/xyz/zhouxy/plusone/validator/BoolPropertyValidator.java
index 8c44513..2357381 100644
--- a/plusone-validator/src/main/java/xyz/zhouxy/plusone/validator/BoolPropertyValidator.java
+++ b/plusone-validator/src/main/java/xyz/zhouxy/plusone/validator/BoolPropertyValidator.java
@@ -28,7 +28,7 @@ public class BoolPropertyValidator<T> extends BasePropertyValidator<T, Boolean,
     // ====== isTrueValue ======
 
     public BoolPropertyValidator<T> isTrueValue() {
-        return isTrueValue("The value must be true.");
+        return isTrueValue("The input must be true.");
     }
 
     public BoolPropertyValidator<T> isTrueValue(String errMsg) {
@@ -49,7 +49,7 @@ public class BoolPropertyValidator<T> extends BasePropertyValidator<T, Boolean,
     // ====== isFalseValue ======
 
     public BoolPropertyValidator<T> isFalseValue() {
-        return isFalseValue("The value must be false.");
+        return isFalseValue("The input must be false.");
     }
 
     public BoolPropertyValidator<T> isFalseValue(String errMsg) {
diff --git a/plusone-validator/src/main/java/xyz/zhouxy/plusone/validator/DoublePropertyValidator.java b/plusone-validator/src/main/java/xyz/zhouxy/plusone/validator/DoublePropertyValidator.java
index 8922bc4..c48a8f5 100644
--- a/plusone-validator/src/main/java/xyz/zhouxy/plusone/validator/DoublePropertyValidator.java
+++ b/plusone-validator/src/main/java/xyz/zhouxy/plusone/validator/DoublePropertyValidator.java
@@ -31,7 +31,8 @@ public class DoublePropertyValidator<T>
     // ================================
 
     public DoublePropertyValidator<T> gt(double min) {
-        return gt(min, String.format("The value should be greater than %s", min));
+        return gt(min, () -> new IllegalArgumentException(
+                String.format("The input must be greater than '%s'.", min)));
     }
 
     public DoublePropertyValidator<T> gt(double min, String errMsg) {
@@ -58,7 +59,8 @@ public class DoublePropertyValidator<T>
     // ================================
 
     public DoublePropertyValidator<T> ge(double min) {
-        return ge(min, String.format("The value should be greater than or equal to %s", min));
+        return ge(min, () -> new IllegalArgumentException(
+                String.format("The input must be greater than or equal to '%s'.", min)));
     }
 
     public DoublePropertyValidator<T> ge(double min, String errMsg) {
@@ -85,7 +87,8 @@ public class DoublePropertyValidator<T>
     // ================================
 
     public DoublePropertyValidator<T> lt(double max) {
-        return lt(max, String.format("The value should be less than %s", max));
+        return lt(max, () -> new IllegalArgumentException(
+                String.format("The input must be less than '%s'.", max)));
     }
 
     public DoublePropertyValidator<T> lt(double max, String errMsg) {
@@ -112,7 +115,8 @@ public class DoublePropertyValidator<T>
     // ================================
 
     public DoublePropertyValidator<T> le(double max) {
-        return le(max, String.format("The value should be less than or equal to %s", max));
+        return le(max, () -> new IllegalArgumentException(
+                String.format("The input must be less than or equal to '%s'.", max)));
     }
 
     public DoublePropertyValidator<T> le(double max, String errMsg) {
diff --git a/plusone-validator/src/main/java/xyz/zhouxy/plusone/validator/IntPropertyValidator.java b/plusone-validator/src/main/java/xyz/zhouxy/plusone/validator/IntPropertyValidator.java
index 2afb9d1..50740cd 100644
--- a/plusone-validator/src/main/java/xyz/zhouxy/plusone/validator/IntPropertyValidator.java
+++ b/plusone-validator/src/main/java/xyz/zhouxy/plusone/validator/IntPropertyValidator.java
@@ -31,7 +31,8 @@ public class IntPropertyValidator<T>
     // ================================
 
     public IntPropertyValidator<T> gt(int min) {
-        return gt(min, String.format("The value should be greater than %d", min));
+        return gt(min, () -> new IllegalArgumentException(
+                String.format("The input must be greater than '%d'.", min)));
     }
 
     public IntPropertyValidator<T> gt(int min, String errMsg) {
@@ -58,7 +59,8 @@ public class IntPropertyValidator<T>
     // ================================
 
     public IntPropertyValidator<T> ge(int min) {
-        return ge(min, String.format("The value should be greater than or equal to %d", min));
+        return ge(min, () -> new IllegalArgumentException(
+                String.format("The input must be greater than or equal to '%d'.", min)));
     }
 
     public IntPropertyValidator<T> ge(int min, String errMsg) {
@@ -85,7 +87,8 @@ public class IntPropertyValidator<T>
     // ================================
 
     public IntPropertyValidator<T> lt(int max) {
-        return lt(max, String.format("The value should be less than %d", max));
+        return lt(max, () -> new IllegalArgumentException(
+                String.format("The input must be less than '%d'.", max)));
     }
 
     public IntPropertyValidator<T> lt(int max, String errMsg) {
@@ -112,7 +115,8 @@ public class IntPropertyValidator<T>
     // ================================
 
     public IntPropertyValidator<T> le(int max) {
-        return le(max, String.format("The value should be less than or equal to %d", max));
+        return le(max, () -> new IllegalArgumentException(
+                String.format("The input must be less than or equal to '%d'.", max)));
     }
 
     public IntPropertyValidator<T> le(int max, String errMsg) {
diff --git a/plusone-validator/src/main/java/xyz/zhouxy/plusone/validator/LongPropertyValidator.java b/plusone-validator/src/main/java/xyz/zhouxy/plusone/validator/LongPropertyValidator.java
index 7459209..92b284a 100644
--- a/plusone-validator/src/main/java/xyz/zhouxy/plusone/validator/LongPropertyValidator.java
+++ b/plusone-validator/src/main/java/xyz/zhouxy/plusone/validator/LongPropertyValidator.java
@@ -31,7 +31,8 @@ public class LongPropertyValidator<T>
     // ================================
 
     public LongPropertyValidator<T> gt(long min) {
-        return gt(min, String.format("The value should be greater than %d", min));
+        return gt(min, () -> new IllegalArgumentException(
+                String.format("The input must be greater than '%d'.", min)));
     }
 
     public LongPropertyValidator<T> gt(long min, String errMsg) {
@@ -58,7 +59,8 @@ public class LongPropertyValidator<T>
     // ================================
 
     public LongPropertyValidator<T> ge(long min) {
-        return ge(min, String.format("The value should be greater than or equal to %d", min));
+        return ge(min, () -> new IllegalArgumentException(
+                String.format("The input must be greater than or equal to '%d'.", min)));
     }
 
     public LongPropertyValidator<T> ge(long min, String errMsg) {
@@ -85,7 +87,8 @@ public class LongPropertyValidator<T>
     // ================================
 
     public LongPropertyValidator<T> lt(long max) {
-        return lt(max, String.format("The value should be less than %d", max));
+        return lt(max, () -> new IllegalArgumentException(
+                String.format("The input must be less than '%d'.", max)));
     }
 
     public LongPropertyValidator<T> lt(long max, String errMsg) {
@@ -112,7 +115,8 @@ public class LongPropertyValidator<T>
     // ================================
 
     public LongPropertyValidator<T> le(long max) {
-        return le(max, String.format("The value should be less than or equal to %d", max));
+        return le(max, () -> new IllegalArgumentException(
+                String.format("The input must be less than or equal to '%d'.", max)));
     }
 
     public LongPropertyValidator<T> le(long max, String errMsg) {
diff --git a/plusone-validator/src/main/java/xyz/zhouxy/plusone/validator/StringPropertyValidator.java b/plusone-validator/src/main/java/xyz/zhouxy/plusone/validator/StringPropertyValidator.java
index fdcc22f..eaf35b5 100644
--- a/plusone-validator/src/main/java/xyz/zhouxy/plusone/validator/StringPropertyValidator.java
+++ b/plusone-validator/src/main/java/xyz/zhouxy/plusone/validator/StringPropertyValidator.java
@@ -156,7 +156,7 @@ public class StringPropertyValidator<T> extends BaseComparablePropertyValidator<
     // ================================
 
     public StringPropertyValidator<T> notBlank() {
-        return notBlank("The value must have text; it must not be null, empty, or blank.");
+        return notBlank("The input must not be blank.");
     }
 
     public StringPropertyValidator<T> notBlank(String errMsg) {
@@ -182,7 +182,7 @@ public class StringPropertyValidator<T> extends BaseComparablePropertyValidator<
     // ================================
 
     public StringPropertyValidator<T> emailAddress() {
-        return emailAddress("The value is not an email address.");
+        return emailAddress("The input is not a valid email address.");
     }
 
     public StringPropertyValidator<T> emailAddress(String errMsg) {
@@ -208,7 +208,7 @@ public class StringPropertyValidator<T> extends BaseComparablePropertyValidator<
     // ================================
 
     public StringPropertyValidator<T> notEmpty() {
-        return notEmpty("The value must not be empty.");
+        return notEmpty("The input must not be empty.");
     }
 
     public StringPropertyValidator<T> notEmpty(String errMsg) {
@@ -245,7 +245,7 @@ public class StringPropertyValidator<T> extends BaseComparablePropertyValidator<
     public <E extends RuntimeException> StringPropertyValidator<T> length(int length,
             Function<String, E> exceptionCreator) {
         AssertTools.checkArgument(length >= 0,
-                "The required length must be greater than or equal to 0.");
+                "The expected length must be greater than or equal to 0.");
         withRule(s -> s == null || s.length() == length, exceptionCreator);
         return this;
     }