feat(团队收入记录): 取消默认的名字首字母头像

src/components/team/TeamBillMore.vue

@@ -101,37 +101,14 @@
               width: 20%;
               aspect-ratio: 1/1;
               border-radius: 50%;
-
-              background-color: #8b5cf6;
-              color: white;
-
-              font-size: 18px;
-              font-weight: 600;
-
-              display: flex;
-              align-items: center;
-              justify-content: center;
             "
           >
             <img
-              v-if="member.memberProfile?.userAvatar"
-              :src="member.memberProfile.userAvatar || ''"
+              :src="member.memberProfile?.userAvatar || ''"
               :alt="member.memberProfile?.userNickname"
               @error="defaultAvatarUrl"
               style="width: 100%; height: 100%; border-radius: 50%; object-fit: cover"
             />
-            <div
-              v-else
-              style="
-                position: absolute;
-                top: 50%;
-                left: 50%;
-                transform: translate(-50%, -50%);
-                text-transform: uppercase;
-              "
-            >
-              {{ getAvatarPlaceholder(member.memberProfile?.userNickname) }}
-            </div>
           </div>
           <!-- 账号信息 -->
           <div style="width: 35%; display: flex; flex-direction: column; gap: 4px">