diff --git a/pom.xml b/pom.xml
index 7d689d1..db55740 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.czcb.scfs</groupId>
     <artifactId>scfs-api-sdk</artifactId>
-    <version>2.0.2-snapshot</version>
+    <version>2.0.2</version>
     <name>scfs-api-sdk</name>
     <description>scfs-api-sdk</description>
     <packaging>pom</packaging>
diff --git a/scfs-api-core/pom.xml b/scfs-api-core/pom.xml
index b3a574d..c3e89a2 100644
--- a/scfs-api-core/pom.xml
+++ b/scfs-api-core/pom.xml
@@ -5,11 +5,11 @@
     <parent>
         <groupId>com.czcb.scfs</groupId>
         <artifactId>scfs-api-sdk</artifactId>
-        <version>2.0.2-snapshot</version>
+        <version>2.0.2</version>
     </parent>
 
     <artifactId>scfs-api-core</artifactId>
-    <version>2.0.2-snapshot</version>
+    <version>2.0.2</version>
     <name>scfs-api-core:核心模块</name>
     <description>scfs-api-core</description>
     <packaging>jar</packaging>
diff --git a/scfs-api-core/src/test/java/com/czcb/scfs/api/core/exception/DecryptExceptionTest.java b/scfs-api-core/src/test/java/com/czcb/scfs/api/core/exception/DecryptExceptionTest.java
new file mode 100644
index 0000000..4875864
--- /dev/null
+++ b/scfs-api-core/src/test/java/com/czcb/scfs/api/core/exception/DecryptExceptionTest.java
@@ -0,0 +1,16 @@
+package com.czcb.scfs.api.core.exception;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+class DecryptExceptionTest {
+    @Test
+    void test() {
+        Exception e = Assertions.assertThrows(DecryptException.class, () -> {
+            throw new DecryptException("error", new ValidationException());
+        });
+
+        Assertions.assertEquals("error", e.getMessage());
+        Assertions.assertInstanceOf(ValidationException.class, e.getCause());
+    }
+}
\ No newline at end of file
diff --git a/scfs-api-core/src/test/java/com/czcb/scfs/api/core/exception/ZipExceptionTest.java b/scfs-api-core/src/test/java/com/czcb/scfs/api/core/exception/ZipExceptionTest.java
index a731091..3ce24c1 100644
--- a/scfs-api-core/src/test/java/com/czcb/scfs/api/core/exception/ZipExceptionTest.java
+++ b/scfs-api-core/src/test/java/com/czcb/scfs/api/core/exception/ZipExceptionTest.java
@@ -7,12 +7,22 @@ class ZipExceptionTest {
 
     @Test
     void test() {
-        Assertions.assertThrows(ZipException.class, () -> {
+        Assertions.assertNull(Assertions.assertThrows(ZipException.class, () -> {
             throw new ZipException();
-        });
+        }).getMessage());
 
-        Assertions.assertThrows(ZipException.class, () -> {
-            throw new ZipException("");
+        Assertions.assertEquals("error", Assertions.assertThrows(ZipException.class, () -> {
+            throw new ZipException("error");
+        }).getMessage());
+
+        Exception e = Assertions.assertThrows(ZipException.class, () -> {
+            throw new ZipException("error", new ValidationException());
         });
+        Assertions.assertInstanceOf(ValidationException.class, e.getCause());
+
+        e = Assertions.assertThrows(ZipException.class, () -> {
+            throw new ZipException(new ValidationException());
+        });
+        Assertions.assertInstanceOf(ValidationException.class, e.getCause());
     }
 }
\ No newline at end of file
diff --git a/scfs-api-core/src/test/java/com/czcb/scfs/api/core/http/HttpLoggerTest.java b/scfs-api-core/src/test/java/com/czcb/scfs/api/core/http/HttpLoggerTest.java
new file mode 100644
index 0000000..39d0d9f
--- /dev/null
+++ b/scfs-api-core/src/test/java/com/czcb/scfs/api/core/http/HttpLoggerTest.java
@@ -0,0 +1,21 @@
+package com.czcb.scfs.api.core.http;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+class HttpLoggerTest {
+
+    @Test
+    void httpReasonPhrase() {
+        OriginalResponse response = new OriginalResponse.Builder()
+                .request(new HttpRequest.Builder()
+                        .httpMethod(HttpMethod.POST)
+                        .url("http://demo")
+                        .build())
+                .body("123")
+                .statusCode(200)
+                .build();
+        HttpLogger httpLogger = new HttpLogger(LogLevel.basic);
+        Assertions.assertEquals("OK", httpLogger.httpReasonPhrase(response));
+    }
+}
\ No newline at end of file
diff --git a/scfs-api-core/src/test/java/com/czcb/scfs/api/core/util/PemFileTest.java b/scfs-api-core/src/test/java/com/czcb/scfs/api/core/util/PemFileTest.java
index 70e5c10..cca561d 100644
--- a/scfs-api-core/src/test/java/com/czcb/scfs/api/core/util/PemFileTest.java
+++ b/scfs-api-core/src/test/java/com/czcb/scfs/api/core/util/PemFileTest.java
@@ -70,4 +70,9 @@ class PemFileTest {
         String text = PemFile.getSerialNumber(certificate);
         Assertions.assertTrue(Pattern.matches("[A-Z0-9]+", text));
     }
+
+    @Test
+    void testLoadPrivateKeyFromStream() {
+        Assertions.assertThrows(NullPointerException.class, () -> PemFile.loadPrivateKeyFromStream(null));
+    }
 }
\ No newline at end of file
diff --git a/scfs-api-core/src/test/java/com/czcb/scfs/api/core/util/StringsTest.java b/scfs-api-core/src/test/java/com/czcb/scfs/api/core/util/StringsTest.java
index 596f94f..6ab1e72 100644
--- a/scfs-api-core/src/test/java/com/czcb/scfs/api/core/util/StringsTest.java
+++ b/scfs-api-core/src/test/java/com/czcb/scfs/api/core/util/StringsTest.java
@@ -1,10 +1,13 @@
 package com.czcb.scfs.api.core.util;
 
+import com.czcb.scfs.api.core.KeyText;
 import com.czcb.scfs.api.core.exception.EncodingException;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
 
+import java.math.BigInteger;
 import java.nio.charset.StandardCharsets;
+import java.security.cert.X509Certificate;
 
 import static org.junit.jupiter.api.Assertions.assertThrows;
 
@@ -70,4 +73,32 @@ class StringsTest {
         Assertions.assertEquals("123", Strings.removeSuffix("123;", ";"));
         Assertions.assertEquals("", Strings.removeSuffix("123;", null));
     }
+
+    @Test
+    void isNotEmpty() {
+        Assertions.assertTrue(Strings.isNotEmpty("11"));
+    }
+
+    @Test
+    void fmtEmpty() {
+        Assertions.assertEquals("11", Strings.fmtEmpty("11"));
+        Assertions.assertEquals("", Strings.fmtEmpty(null));
+    }
+
+    @Test
+    void toHexUpper() {
+        BigInteger data = new BigInteger("1234");
+        Assertions.assertEquals("4D2", Strings.toHexUpper(data));
+    }
+
+    @Test
+    void toUpper() {
+        Assertions.assertEquals("ADF", Strings.toUpper("adf"));
+    }
+
+    @Test
+    void timeRange() {
+        X509Certificate certificate = KeyText.loadTestRSA();
+        Assertions.assertEquals("2024-02-13 17:52:40,2034-02-10 17:52:40", Strings.timeRange(certificate));
+    }
 }
\ No newline at end of file
diff --git a/scfs-api-rsa/pom.xml b/scfs-api-rsa/pom.xml
index 8631d32..34df985 100644
--- a/scfs-api-rsa/pom.xml
+++ b/scfs-api-rsa/pom.xml
@@ -5,11 +5,11 @@
     <parent>
         <groupId>com.czcb.scfs</groupId>
         <artifactId>scfs-api-sdk</artifactId>
-        <version>2.0.2-snapshot</version>
+        <version>2.0.2</version>
     </parent>
 
     <artifactId>scfs-api-rsa</artifactId>
-    <version>2.0.2-snapshot</version>
+    <version>2.0.2</version>
     <name>scfs-api-rsa:RSA模块</name>
     <description>封装RSA、AES国密算法</description>
 
@@ -17,7 +17,7 @@
         <dependency>
             <groupId>com.czcb.scfs</groupId>
             <artifactId>scfs-api-core</artifactId>
-            <version>2.0.2-snapshot</version>
+            <version>2.0.2</version>
         </dependency>
     </dependencies>
 
diff --git a/scfs-api-service-cat/pom.xml b/scfs-api-service-cat/pom.xml
index 3108ebd..f9c1c29 100644
--- a/scfs-api-service-cat/pom.xml
+++ b/scfs-api-service-cat/pom.xml
@@ -5,11 +5,11 @@
     <parent>
         <groupId>com.czcb.scfs</groupId>
         <artifactId>scfs-api-sdk</artifactId>
-        <version>2.0.2-snapshot</version>
+        <version>2.0.2</version>
     </parent>
 
     <artifactId>scfs-api-service-cat</artifactId>
-    <version>2.0.2-snapshot</version>
+    <version>2.0.2</version>
     <name>scfs-api-service-cat:肥猫定制化接口</name>
     <description>肥猫SDK</description>
     <packaging>jar</packaging>
@@ -29,7 +29,7 @@
         <dependency>
             <groupId>com.czcb.scfs</groupId>
             <artifactId>scfs-api-core</artifactId>
-            <version>2.0.2-snapshot</version>
+            <version>2.0.2</version>
         </dependency>
     </dependencies>
 
diff --git a/scfs-api-service/pom.xml b/scfs-api-service/pom.xml
index f2f5432..c82870e 100644
--- a/scfs-api-service/pom.xml
+++ b/scfs-api-service/pom.xml
@@ -5,11 +5,11 @@
     <parent>
         <groupId>com.czcb.scfs</groupId>
         <artifactId>scfs-api-sdk</artifactId>
-        <version>2.0.2-snapshot</version>
+        <version>2.0.2</version>
     </parent>
 
     <artifactId>scfs-api-service</artifactId>
-    <version>2.0.2-snapshot</version>
+    <version>2.0.2</version>
     <name>scfs-api-service:通用类接口</name>
     <description>通用类接口</description>
     <packaging>jar</packaging>
@@ -24,7 +24,7 @@
         <dependency>
             <groupId>com.czcb.scfs</groupId>
             <artifactId>scfs-api-core</artifactId>
-            <version>2.0.2-snapshot</version>
+            <version>2.0.2</version>
         </dependency>
     </dependencies>
 </project>
diff --git a/scfs-api-sm/pom.xml b/scfs-api-sm/pom.xml
index cfa8481..23e537b 100644
--- a/scfs-api-sm/pom.xml
+++ b/scfs-api-sm/pom.xml
@@ -5,11 +5,11 @@
     <parent>
         <groupId>com.czcb.scfs</groupId>
         <artifactId>scfs-api-sdk</artifactId>
-        <version>2.0.2-snapshot</version>
+        <version>2.0.2</version>
     </parent>
 
     <artifactId>scfs-api-sm</artifactId>
-    <version>2.0.2-snapshot</version>
+    <version>2.0.2</version>
     <name>scfs-api-sm:国密模块</name>
     <description>封装SM2、SM4国密算法</description>
 
@@ -17,7 +17,7 @@
         <dependency>
             <groupId>com.czcb.scfs</groupId>
             <artifactId>scfs-api-core</artifactId>
-            <version>2.0.2-snapshot</version>
+            <version>2.0.2</version>
         </dependency>
 
         <!-- https://mvnrepository.com/artifact/com.tencent.kona/kona-crypto -->
diff --git a/scfs-api-spring-boot-starter/pom.xml b/scfs-api-spring-boot-starter/pom.xml
index b62de9d..552edc4 100644
--- a/scfs-api-spring-boot-starter/pom.xml
+++ b/scfs-api-spring-boot-starter/pom.xml
@@ -5,11 +5,11 @@
     <parent>
         <groupId>com.czcb.scfs</groupId>
         <artifactId>scfs-api-sdk</artifactId>
-        <version>2.0.2-snapshot</version>
+        <version>2.0.2</version>
     </parent>
 
     <artifactId>scfs-api-spring-boot-starter</artifactId>
-    <version>2.0.2-snapshot</version>
+    <version>2.0.2</version>
     <name>scfs-spring-boot-starter</name>
     <description>scfs-spring-boot-starter</description>
 
diff --git a/scfs-api-test/pom.xml b/scfs-api-test/pom.xml
index 7751881..cf40785 100644
--- a/scfs-api-test/pom.xml
+++ b/scfs-api-test/pom.xml
@@ -5,11 +5,11 @@
     <parent>
         <groupId>com.czcb.scfs</groupId>
         <artifactId>scfs-api-sdk</artifactId>
-        <version>2.0.2-snapshot</version>
+        <version>2.0.2</version>
     </parent>
 
     <artifactId>scfs-api-test</artifactId>
-    <version>2.0.2-snapshot</version>
+    <version>2.0.2</version>
     <name>scfs-api-test</name>
     <description>scfs-api-test</description>