diff --git a/src/main/java/com/codesdream/ase/controller/ActivityController.java b/src/main/java/com/codesdream/ase/controller/ActivityController.java
index e299297..dff7f0f 100644
--- a/src/main/java/com/codesdream/ase/controller/ActivityController.java
+++ b/src/main/java/com/codesdream/ase/controller/ActivityController.java
@@ -1,9 +1,14 @@
 package com.codesdream.ase.controller;
 
+import com.alibaba.fastjson.JSONObject;
 import com.codesdream.ase.component.ASESpringUtil;
+import com.codesdream.ase.component.datamanager.JSONParameter;
 import com.codesdream.ase.configure.ActivityFormConfigure;
 import com.codesdream.ase.exception.InvalidFormFormatException;
+import com.codesdream.ase.exception.LackOfActivityInformation;
+import com.codesdream.ase.model.activity.Activity;
 import com.codesdream.ase.service.ActivityService;
+import com.codesdream.ase.validator.NullValueValidator;
 import com.codesdream.ase.validator.WebFormValidator;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
@@ -12,7 +17,10 @@ import org.springframework.web.bind.annotation.RequestMapping;
 
 import javax.annotation.Resource;
 import javax.servlet.http.HttpServletRequest;
+import javax.validation.constraints.Null;
+import java.lang.reflect.InvocationTargetException;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 
 @Controller
@@ -21,19 +29,26 @@ public class ActivityController {
     @Resource
     ActivityService activityService;
 
+    @Resource
+    JSONParameter jsonParameter;
+
     @RequestMapping(value = "/activity_creator")
     String activityCreatorView(Model model){return "activity_creator";}
 
     @PostMapping(value = "/activity_creator")
-    String activityCreator(Model model, HttpServletRequest request) throws InvalidFormFormatException {
+    String activityCreator(Model model, HttpServletRequest request) throws InvalidFormFormatException, NoSuchMethodException, IllegalAccessException, InvocationTargetException {
 
         Map<String, String[]> parameterMap = request.getParameterMap();
         ASESpringUtil aseSpringUtil = new ASESpringUtil();
         ActivityFormConfigure activityFormConfigure = aseSpringUtil.getBean(ActivityFormConfigure.class);
         WebFormValidator webFormValidator = aseSpringUtil.getBean(WebFormValidator.class);
-        if(!webFormValidator.check(activityFormConfigure.getStdActivityForm(), parameterMap)){
+        if(!webFormValidator.check(activityFormConfigure.getStdActivityForm(), parameterMap)) {
             throw new InvalidFormFormatException("Invalid activity form.");
         }
+        JSONObject jsonObject = jsonParameter.getJSONByRequest(request);
+        Activity activity = jsonObject.toJavaObject(Activity.class);
+        NullValueValidator nullValueValidator = aseSpringUtil.getBean(NullValueValidator.class);
+        List<String> nullValues = nullValueValidator.checkNullValues(activity);
 
         return "act_created";
     }
diff --git a/src/main/java/com/codesdream/ase/exception/LackOfActivityInformation.java b/src/main/java/com/codesdream/ase/exception/LackOfActivityInformation.java
new file mode 100644
index 0000000..9b6425a
--- /dev/null
+++ b/src/main/java/com/codesdream/ase/exception/LackOfActivityInformation.java
@@ -0,0 +1,14 @@
+package com.codesdream.ase.exception;
+
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+
+@EqualsAndHashCode(callSuper = true)
+@Data
+public class LackOfActivityInformation extends Throwable {
+    private String message = "";
+
+    public LackOfActivityInformation(){super();}
+
+    public LackOfActivityInformation(String message){this.message = message;}
+}
diff --git a/src/main/java/com/codesdream/ase/model/activity/Activity.java b/src/main/java/com/codesdream/ase/model/activity/Activity.java
index 2cf5f7b..2a0b4f2 100644
--- a/src/main/java/com/codesdream/ase/model/activity/Activity.java
+++ b/src/main/java/com/codesdream/ase/model/activity/Activity.java
@@ -6,6 +6,7 @@ import lombok.EqualsAndHashCode;
 import org.springframework.security.core.parameters.P;
 
 import javax.persistence.*;
+import java.time.LocalDateTime;
 import java.util.*;
 
 @Data
@@ -137,7 +138,7 @@ public class Activity {
     //提前提醒时间
     @Column(name = "remind_time", nullable = true)
     @Temporal(TemporalType.TIMESTAMP)
-    private Date remindTime;
+    private LocalDateTime remindTime;
 
     //附件组(名字)
     @ElementCollection(targetClass = java.lang.String.class)
diff --git a/src/main/java/com/codesdream/ase/service/ActivityService.java b/src/main/java/com/codesdream/ase/service/ActivityService.java
index e91941e..1c683b8 100644
--- a/src/main/java/com/codesdream/ase/service/ActivityService.java
+++ b/src/main/java/com/codesdream/ase/service/ActivityService.java
@@ -2,6 +2,7 @@ package com.codesdream.ase.service;
 
 import com.codesdream.ase.model.activity.Activity;
 import com.codesdream.ase.model.activity.Report;
+import com.codesdream.ase.model.permission.User;
 import com.codesdream.ase.repository.activity.ActivityRepository;
 import org.springframework.stereotype.Service;
 
@@ -50,4 +51,9 @@ public class ActivityService implements IActivityService {
         return activityRepository.save(activity);
     }
 
+    /*@Override
+    public Activity findActivitiesInTheCharge(User user) {
+
+    }*/
+
 }
diff --git a/src/main/java/com/codesdream/ase/service/IActivityService.java b/src/main/java/com/codesdream/ase/service/IActivityService.java
index 18a3476..1e9ba3e 100644
--- a/src/main/java/com/codesdream/ase/service/IActivityService.java
+++ b/src/main/java/com/codesdream/ase/service/IActivityService.java
@@ -2,6 +2,7 @@ package com.codesdream.ase.service;
 
 import com.codesdream.ase.model.activity.Activity;
 import com.codesdream.ase.model.activity.Report;
+import com.codesdream.ase.model.permission.User;
 
 import java.util.Optional;
 
@@ -27,4 +28,7 @@ public interface IActivityService {
     //活动创建
     Activity createActivity(Activity activity);
 
+    //查询主要负责的活动
+    //Activity findActivitiesInTheCharge(User user);
+
 }
diff --git a/src/main/java/com/codesdream/ase/validator/NullValueValidator.java b/src/main/java/com/codesdream/ase/validator/NullValueValidator.java
new file mode 100644
index 0000000..d6249bd
--- /dev/null
+++ b/src/main/java/com/codesdream/ase/validator/NullValueValidator.java
@@ -0,0 +1,76 @@
+package com.codesdream.ase.validator;
+
+import com.codesdream.ase.model.activity.Attendance;
+import com.codesdream.ase.model.activity.Period;
+import com.codesdream.ase.model.activity.Report;
+import com.codesdream.ase.model.permission.User;
+import org.springframework.stereotype.Component;
+
+import java.lang.reflect.Field;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.time.LocalDateTime;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+import java.util.Set;
+
+@Component
+public class NullValueValidator {
+
+    /**
+     * 传入一个对象，利用Java的反射机制判断各个属性的值是否为空，并返回空值列表
+     * @param object 传入的对象
+     * @return 一个字符串列表，维护值为空的属性的名字
+     * @throws NoSuchMethodException
+     * @throws InvocationTargetException
+     * @throws IllegalAccessException
+     */
+    public List<String> checkNullValues (Object object) throws NoSuchMethodException, InvocationTargetException, IllegalAccessException {
+        Field[] fields = object.getClass().getDeclaredFields();
+        List<String> result = new ArrayList<>();
+        for (Field field : fields){
+            String name = field.getName();
+            String type = field.getGenericType().toString();
+            Method method = object.getClass().getMethod("get" + name);
+            name = field.getName();
+            if(type.equals("class java.lang.String")){
+                String str = (String) method.invoke(object);
+                if(str.isEmpty()) result.add(name);
+            }
+            else if(type.equals("class com.codesdream.ase.model.permission.User")){
+                User user = (User) method.invoke(object);
+                if(user == null) result.add(name);
+            }
+            else if(type.equals("java.util.Set<com.codesdream.ase.model.permission.User>")){
+                Set<User> users = (Set<User>) method.invoke(object);
+                if(users.isEmpty()) result.add(name);
+            }
+            else if(type.equals("class com.codesdream.ase.model.activity.Period")){
+                Period period = (Period) method.invoke(object);
+                if(period == null) result.add(name);
+            }
+            else if(type.equals(("class java.time.LocalDateTime"))){
+                LocalDateTime date = (LocalDateTime) method.invoke(object);
+                if(date == null) result.add(name);
+            }
+            else if(type.equals("java.util.List<java.lang.String>")){
+                List<String> strings = (List<String>) method.invoke(object);
+                if(strings.isEmpty()) result.add(name);
+            }
+            else if(type.equals("boolean")){
+                boolean a = (boolean) method.invoke(object);
+                if(!a) result.add(name);
+            }
+            else if(type.equals("class com.codesdream.ase.model.activity.Attendance")){
+                Attendance attendance = (Attendance) method.invoke(object);
+                if(attendance == null) result.add(name);
+            }
+            else if(type.equals("class com.codesdream.ase.model.activity.Report")){
+                Report report = (Report) method.invoke(object);
+                if(report == null) result.add(name);
+            }
+        }
+        return result;
+    }
+}
diff --git a/src/main/resources/templates/huodong1.html b/src/main/resources/templates/huodong1.html
index a66d952..7026964 100644
--- a/src/main/resources/templates/huodong1.html
+++ b/src/main/resources/templates/huodong1.html
@@ -39,7 +39,7 @@
 											<table style="width: 80% ;left:20px;position:inherit " class="table table-bordered">
 											  <tbody>
 											    <tr style="background-color: #F2F2F2;border-color: #212121">
-											      <th scope="row"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">创建人</font></font></th>
+											      <th scope="row"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">创建人</></font></th>
 											      <td style="background-color: #FFFFFF"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">二狗子</font></font></td>
 											      <td><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">报名人数</font></font></td>
 											      <td style="background-color: #FFFFFF"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">1223</font></font></td>