diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 20efd53..f06adce 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -20,7 +20,10 @@
     </configurations>
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="cea36e80-e289-4d69-9030-7186d540ac0e" name="更改" comment="MDC联系人" />
+    <list default="true" id="cea36e80-e289-4d69-9030-7186d540ac0e" name="更改" comment="MDC联系人">
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/app/mdc1200.c" beforeDir="false" afterPath="$PROJECT_DIR$/app/mdc1200.c" afterDir="false" />
+    </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
     <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
@@ -184,14 +187,7 @@
       <workItem from="1702006730071" duration="3144000" />
       <workItem from="1702024305901" duration="2385000" />
       <workItem from="1702049513969" duration="28027000" />
-      <workItem from="1702119088204" duration="10553000" />
-    </task>
-    <task id="LOCAL-00033" summary="MDC RX">
-      <created>1701682811016</created>
-      <option name="number" value="00033" />
-      <option name="presentableId" value="LOCAL-00033" />
-      <option name="project" value="LOCAL" />
-      <updated>1701682811016</updated>
+      <workItem from="1702119088204" duration="12440000" />
     </task>
     <task id="LOCAL-00034" summary="MDC RX">
       <created>1701685151218</created>
@@ -529,7 +525,14 @@
       <option name="project" value="LOCAL" />
       <updated>1702137830894</updated>
     </task>
-    <option name="localTasksCounter" value="82" />
+    <task id="LOCAL-00082" summary="MDC联系人">
+      <created>1702137966114</created>
+      <option name="number" value="00082" />
+      <option name="presentableId" value="LOCAL-00082" />
+      <option name="project" value="LOCAL" />
+      <updated>1702137966114</updated>
+    </task>
+    <option name="localTasksCounter" value="83" />
     <servers />
   </component>
   <component name="TypeScriptGeneratedFilesManager">
diff --git a/app/mdc1200.c b/app/mdc1200.c
index 33d570d..596744d 100644
--- a/app/mdc1200.c
+++ b/app/mdc1200.c
@@ -546,14 +546,14 @@ bool mdc1200_contact_find(uint16_t mdc_id, char *contact) {
     for (uint8_t i = 0; i < contact_num; i++) {
         uint8_t read_once[16]={0};
         if ((i & 3) == 0 && i) add++;
-        EEPROM_ReadBuffer(MDC_ADD[add] + i * 16, read_once, 16);
+        EEPROM_ReadBuffer(MDC_ADD[add] +((i&3) <<4), read_once, 16);
         if (mdc_id == (uint16_t) (read_once[1] | (read_once[0] << 8))) {
             for (int j = 0; j < 14; ++j) {
                 if(read_once[2+j]<' '||read_once[2+j]>'~')
                     return false;
-                memcpy(contact,read_once+2,14);
             }
 
+            memcpy(contact,read_once+2,14);
 
             return true;
         }