diff --git a/pom.xml b/pom.xml
index 3ddd0f6..a6f6284 100644
--- a/pom.xml
+++ b/pom.xml
@@ -43,7 +43,7 @@
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>5.1.49</version>
+            <version>8.0.22</version>
             <scope>runtime</scope>
         </dependency>
     </dependencies>
diff --git a/src/main/java/com/lh/service/CrowdfundingServiceImpl.java b/src/main/java/com/lh/service/CrowdfundingServiceImpl.java
index 433b657..1916d36 100644
--- a/src/main/java/com/lh/service/CrowdfundingServiceImpl.java
+++ b/src/main/java/com/lh/service/CrowdfundingServiceImpl.java
@@ -18,11 +18,13 @@ public class CrowdfundingServiceImpl implements CrowdfundingService {
     public CrowdfundingInfo loadPage() {
         CrowdfundingInfo crowdfundingInfoList = crowdfundingMapper.loadPage();
         //如果当前进度大于等于目标人数，将status变更为0
-        if (crowdfundingInfoList.getNowNumber() >= crowdfundingInfoList.getTargetNumber()) {
+        if (crowdfundingInfoList != null && crowdfundingInfoList.getNowNumber() >= crowdfundingInfoList.getTargetNumber()) {
             crowdfundingMapper.updateStatus(0);
         }
         List<Participant> participants = crowdfundingMapper.queryCrowdUser(null);
-        crowdfundingInfoList.setParticipantList(participants);
+        if (crowdfundingInfoList != null) {
+            crowdfundingInfoList.setParticipantList(participants);
+        }
         return crowdfundingInfoList;
     }
 
diff --git a/src/test/java/com/lh/CrowdfundingSystemApplicationTests.java b/src/test/java/com/lh/CrowdfundingSystemApplicationTests.java
index f7f89ac..b62e693 100644
--- a/src/test/java/com/lh/CrowdfundingSystemApplicationTests.java
+++ b/src/test/java/com/lh/CrowdfundingSystemApplicationTests.java
@@ -1,29 +1,11 @@
 package com.lh;
 
-import com.lh.bean.CrowdfundingInfo;
-import com.lh.mapper.CrowdfundingMapper;
-import com.lh.service.CrowdfundingService;
 import org.junit.jupiter.api.Test;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
 
 @SpringBootTest
 class CrowdfundingSystemApplicationTests {
-    @Autowired
-    private CrowdfundingMapper crowdfundingMapper;
-
-    @Autowired
-    private CrowdfundingService crowdfundingService;
-
     @Test
     void contextLoads() {
-        CrowdfundingInfo crowdfundingInfo = crowdfundingMapper.loadPage();
     }
-
-    @Test
-    void contextLoads1() {
-        System.out.println(crowdfundingService.loadPage());
-    }
-
-
 }