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				@@ -68,6 +68,7 @@ export default { 
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				   data() { 
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				     return { 
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				       activeIndex: '2', // 主导航索引 
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				+      loginNav: 'GCLS-Learn', 
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				       LoginNavIndex: 0, // 下拉框导航索引 
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				       projectName: '教学中心', 
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				       projectList: [], 
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				@@ -116,6 +117,8 @@ export default { 
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				       console.log(key); 
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				       if (!key) return; 
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				       console.log(this.LoginNavIndex); 
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				+      console.log(this.projectList); 
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				+      this.loginNav = key; 
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				       this.LoginNavIndex = this.projectList.findIndex(item => item.key === key); 
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				       console.log(this.LoginNavIndex); 
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				     }, 
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				@@ -164,7 +167,7 @@ export default { 
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				             this.projectList = child_sys_list; 
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				             if (this.LoginNavIndex) return; 
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				             this.projectList.forEach((item, index) => { 
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				-              if (item.key === 'GCLS-Learn') { 
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				+              if (item.key === this.loginNav) { 
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				                 this.LoginNavIndex = index; 
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				               } 
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				             }); 
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