diff --git a/src/components/drawers/AddTest.vue b/src/components/drawers/AddTest.vue
index 4db19344..4d015200 100644
--- a/src/components/drawers/AddTest.vue
+++ b/src/components/drawers/AddTest.vue
@@ -211,8 +211,9 @@
               <span style="margin-right: 3px">数据来源：</span>
             </div>
             <div class="btnbox">
-              <a-input v-model:value="formData.source" style="width: 400px; height: 40px; border-radius: 8px" :disabled="taskIndex >= 0"
-                placeholder="请输入数据来源" :maxlength="120" />
+              <a-input v-model:value="formData.source" 
+              style="width: 400px; height: 40px; border-radius: 8px" :disabled="taskIndex >= 0"
+                placeholder="请输入数据来源" show-count :maxlength="420" />
             </div>
           </div>
           <div class="main_item2">
diff --git a/src/components/drawers/CommonTest.vue b/src/components/drawers/CommonTest.vue
index 11c41043..f6e03c38 100644
--- a/src/components/drawers/CommonTest.vue
+++ b/src/components/drawers/CommonTest.vue
@@ -287,7 +287,7 @@
                   v-model:value="formData.source"
                   style="width: 400px; height: 40px; border-radius: 8px"
                   placeholder="请输入数据来源"
-                  :maxlength="120"
+                  show-count :maxlength="420"
               />
             </div>
           </div>