diff --git a/src/main/java/com/xuxd/kafka/console/beans/dto/AddPartitionDTO.java b/src/main/java/com/xuxd/kafka/console/beans/dto/AddPartitionDTO.java
index 94cee6b..30ad5d4 100644
--- a/src/main/java/com/xuxd/kafka/console/beans/dto/AddPartitionDTO.java
+++ b/src/main/java/com/xuxd/kafka/console/beans/dto/AddPartitionDTO.java
@@ -1,7 +1,9 @@
 package com.xuxd.kafka.console.beans.dto;
 
 import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
 import lombok.Data;
 
 /**
@@ -17,5 +19,5 @@ public class AddPartitionDTO {
 
     private int addNum;
 
-    private List<List<Integer>> assignment = new ArrayList<>();
+    private Map<Integer, List<Integer>> assignment = new HashMap<>();
 }
diff --git a/src/main/java/com/xuxd/kafka/console/controller/TopicController.java b/src/main/java/com/xuxd/kafka/console/controller/TopicController.java
index b027f82..60cde4a 100644
--- a/src/main/java/com/xuxd/kafka/console/controller/TopicController.java
+++ b/src/main/java/com/xuxd/kafka/console/controller/TopicController.java
@@ -4,6 +4,10 @@ import com.xuxd.kafka.console.beans.dto.AddPartitionDTO;
 import com.xuxd.kafka.console.beans.dto.NewTopicDTO;
 import com.xuxd.kafka.console.beans.enums.TopicType;
 import com.xuxd.kafka.console.service.TopicService;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.GetMapping;
@@ -48,6 +52,18 @@ public class TopicController {
 
     @PostMapping("/partition/new")
     public Object addPartition(@RequestBody AddPartitionDTO partitionDTO) {
-        return topicService.addPartitions(partitionDTO.getTopic().trim(), partitionDTO.getAddNum(), partitionDTO.getAssignment());
+        String topic = partitionDTO.getTopic().trim();
+        int addNum = partitionDTO.getAddNum();
+        Map<Integer, List<Integer>> assignmentMap = partitionDTO.getAssignment();
+        List<List<Integer>> assignment = Collections.emptyList();
+
+        if (!assignmentMap.isEmpty()) {
+            assignment = new ArrayList<>(addNum);
+            for (int i = 1; i <= addNum; i++) {
+                assignment.add(assignmentMap.containsKey(i) ? assignmentMap.get(i) : Collections.emptyList());
+            }
+        }
+
+        return topicService.addPartitions(topic, addNum, assignment);
     }
 }
diff --git a/src/main/java/com/xuxd/kafka/console/interceptor/GlobalExceptionHandler.java b/src/main/java/com/xuxd/kafka/console/interceptor/GlobalExceptionHandler.java
new file mode 100644
index 0000000..7715f45
--- /dev/null
+++ b/src/main/java/com/xuxd/kafka/console/interceptor/GlobalExceptionHandler.java
@@ -0,0 +1,27 @@
+package com.xuxd.kafka.console.interceptor;
+
+import com.xuxd.kafka.console.beans.ResponseData;
+import javax.servlet.http.HttpServletRequest;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.ResponseBody;
+
+/**
+ * kafka-console-ui.
+ *
+ * @author xuxd
+ * @date 2021-10-19 14:32:18
+ **/
+@Slf4j
+@ControllerAdvice(basePackages = "com.xuxd.kafka.console.controller")
+public class GlobalExceptionHandler {
+
+    @ExceptionHandler(value = Exception.class)
+    @ResponseBody
+    public Object exceptionHandler(HttpServletRequest req, Exception ex) throws Exception {
+
+        log.error("exception handle: ", ex);
+        return ResponseData.create().failed(ex.getMessage());
+    }
+}
diff --git a/ui/src/utils/api.js b/ui/src/utils/api.js
index 77622a1..5a1ea79 100644
--- a/ui/src/utils/api.js
+++ b/ui/src/utils/api.js
@@ -73,6 +73,10 @@ export const KafkaTopicApi = {
     url: "/topic/new",
     method: "post",
   },
+  addPartition: {
+    url: "/topic/partition/new",
+    method: "post",
+  },
 };
 
 export const KafkaConsumerApi = {
diff --git a/ui/src/views/topic/AddPartition.vue b/ui/src/views/topic/AddPartition.vue
index f123e62..e5370c9 100644
--- a/ui/src/views/topic/AddPartition.vue
+++ b/ui/src/views/topic/AddPartition.vue
@@ -18,20 +18,18 @@
           @submit="handleSubmit"
         >
           <a-form-item label="Topic名称">
-            <a-input disabled="true"
-              v-decorator="[
-                'name',
-                { rules: [{ required: true, message: '输入topic名称!' }] },
-              ]"
+            <a-input
+              :disabled="true"
+              v-decorator="['topic', { initialValue: topic }]"
               placeholder="topic"
             />
           </a-form-item>
-          <a-form-item label="分区">
+          <a-form-item label="增加分区数">
             <a-input-number
               :min="1"
-              :max="128"
+              :max="32"
               v-decorator="[
-                'numPartitions',
+                'addNum',
                 {
                   initialValue: 1,
                   rules: [{ required: true, message: '输入分区数!' }],
@@ -40,14 +38,13 @@
             />
             <span class="ant-form-text"> 个分区 </span>
           </a-form-item>
-          <a-form-item label="属性">
+          <a-form-item label="副本">
             <a-textarea
               rows="5"
-              placeholder="格式示例如下：
-max.message.bytes=1024
-retention.bytes=1024
-retention.ms=3600000"
-              v-decorator="['configs']"
+              placeholder="可选参数，指定新增分区的副本，格式示例如下：
+1=1,2
+2=2,3"
+              v-decorator="['assignment']"
             />
           </a-form-item>
           <a-form-item :wrapper-col="{ span: 12, offset: 5 }">
@@ -99,24 +96,25 @@ export default {
       e.preventDefault();
       this.form.validateFields((err, values) => {
         if (!err) {
-          if (values.configs) {
-            const config = {};
-            values.configs.split("\n").forEach((e) => {
+          if (values.assignment) {
+            const assignment = {};
+            values.assignment.split("\n").forEach((e) => {
               const c = e.split("=");
               if (c.length > 1) {
-                let k = c[0].trim(),
-                  v = c[1].trim();
-                if (k && v) {
-                  config[k] = v;
+                let k = c[0];
+                let v = c[1];
+                let arr = v.split(",");
+                if (arr.length > 0) {
+                  assignment[k] = arr;
                 }
               }
             });
-            values.configs = config;
+            values.assignment = assignment;
           }
           this.loading = true;
           request({
-            url: KafkaTopicApi.creatTopic.url,
-            method: KafkaTopicApi.creatTopic.method,
+            url: KafkaTopicApi.addPartition.url,
+            method: KafkaTopicApi.addPartition.method,
             data: values,
           }).then((res) => {
             this.loading = false;
diff --git a/ui/src/views/topic/Topic.vue b/ui/src/views/topic/Topic.vue
index aa5c49a..a233aa4 100644
--- a/ui/src/views/topic/Topic.vue
+++ b/ui/src/views/topic/Topic.vue
@@ -74,7 +74,7 @@
               size="small"
               href="javascript:;"
               class="operation-btn"
-              @click="openAddPartitionDialog"
+              @click="openAddPartitionDialog(record.name)"
               >增加分区
             </a-button>
           </div>
@@ -91,6 +91,7 @@
         </CreateTopic>
         <AddPartition
           :visible="showAddPartition"
+          :topic="selectDetail.resourceName"
           @closeAddPartitionDialog="closeAddPartitionDialog"
         ></AddPartition>
       </div>
@@ -183,7 +184,8 @@ export default {
         this.getTopicList();
       }
     },
-    openAddPartitionDialog() {
+    openAddPartitionDialog(topic) {
+      this.selectDetail.resourceName = topic;
       this.showAddPartition = true;
     },
     closeAddPartitionDialog(res) {