diff --git a/core/core-frontend/config/base.ts b/core/core-frontend/config/base.ts
index 61513f83d1..ddb203e13c 100644
--- a/core/core-frontend/config/base.ts
+++ b/core/core-frontend/config/base.ts
@@ -26,6 +26,6 @@ export default {
         }
       }
     },
-    sourcemap: false
+    sourcemap: true
   }
 }
diff --git a/core/core-frontend/src/components/data-visualization/canvas/MarkLine.vue b/core/core-frontend/src/components/data-visualization/canvas/MarkLine.vue
index 2a87f43790..feab393c41 100644
--- a/core/core-frontend/src/components/data-visualization/canvas/MarkLine.vue
+++ b/core/core-frontend/src/components/data-visualization/canvas/MarkLine.vue
@@ -34,127 +34,123 @@ const showLine = (isDownward, isRightward) => {
 
   hideLine()
   components.forEach(component => {
-    try {
-      if (component === curComponent.value) return
-      const componentStyle = getComponentRotatedStyle(component.style)
-      const { top, left, bottom, right } = componentStyle
-      const componentHalfWidth = componentStyle.width / 2
-      const componentHalfHeight = componentStyle.height / 2
+    if (component === curComponent.value) return
+    const componentStyle = getComponentRotatedStyle(component.style)
+    const { top, left, bottom, right } = componentStyle
+    const componentHalfWidth = componentStyle.width / 2
+    const componentHalfHeight = componentStyle.height / 2
 
-      const conditions = {
-        top: [
-          {
-            isNearly: isNearly(curComponentStyle.top, top),
-            lineNode: lines.xt[0], // xt
-            line: 'xt',
-            dragShift: top,
-            lineShift: top
-          },
-          {
-            isNearly: isNearly(curComponentStyle.bottom, top),
-            lineNode: lines.xt[0], // xt
-            line: 'xt',
-            dragShift: top - curComponentStyle.height,
-            lineShift: top
-          },
-          {
-            // 组件与拖拽节点的中间是否对齐
-            isNearly: isNearly(
-              curComponentStyle.top + curComponentHalfHeight,
-              top + componentHalfHeight
-            ),
-            lineNode: lines.xc[0], // xc
-            line: 'xc',
-            dragShift: top + componentHalfHeight - curComponentHalfHeight,
-            lineShift: top + componentHalfHeight
-          },
-          {
-            isNearly: isNearly(curComponentStyle.top, bottom),
-            lineNode: lines.xb[0], // xb
-            line: 'xb',
-            dragShift: bottom,
-            lineShift: bottom
-          },
-          {
-            isNearly: isNearly(curComponentStyle.bottom, bottom),
-            lineNode: lines.xb[0], // xb
-            line: 'xb',
-            dragShift: bottom - curComponentStyle.height,
-            lineShift: bottom
-          }
-        ],
-        left: [
-          {
-            isNearly: isNearly(curComponentStyle.left, left),
-            lineNode: lines.yl[0], // yl
-            line: 'yl',
-            dragShift: left,
-            lineShift: left
-          },
-          {
-            isNearly: isNearly(curComponentStyle.right, left),
-            lineNode: lines.yl[0], // yl
-            line: 'yl',
-            dragShift: left - curComponentStyle.width,
-            lineShift: left
-          },
-          {
-            // 组件与拖拽节点的中间是否对齐
-            isNearly: isNearly(
-              curComponentStyle.left + curComponentHalfWidth,
-              left + componentHalfWidth
-            ),
-            lineNode: lines.yc[0], // yc
-            line: 'yc',
-            dragShift: left + componentHalfWidth - curComponentHalfWidth,
-            lineShift: left + componentHalfWidth
-          },
-          {
-            isNearly: isNearly(curComponentStyle.left, right),
-            lineNode: lines.yr[0], // yr
-            line: 'yr',
-            dragShift: right,
-            lineShift: right
-          },
-          {
-            isNearly: isNearly(curComponentStyle.right, right),
-            lineNode: lines.yr[0], // yr
-            line: 'yr',
-            dragShift: right - curComponentStyle.width,
-            lineShift: right
-          }
-        ]
-      }
+    const conditions = {
+      top: [
+        {
+          isNearly: isNearly(curComponentStyle.top, top),
+          lineNode: lines.xt[0], // xt
+          line: 'xt',
+          dragShift: top,
+          lineShift: top
+        },
+        {
+          isNearly: isNearly(curComponentStyle.bottom, top),
+          lineNode: lines.xt[0], // xt
+          line: 'xt',
+          dragShift: top - curComponentStyle.height,
+          lineShift: top
+        },
+        {
+          // 组件与拖拽节点的中间是否对齐
+          isNearly: isNearly(
+            curComponentStyle.top + curComponentHalfHeight,
+            top + componentHalfHeight
+          ),
+          lineNode: lines.xc[0], // xc
+          line: 'xc',
+          dragShift: top + componentHalfHeight - curComponentHalfHeight,
+          lineShift: top + componentHalfHeight
+        },
+        {
+          isNearly: isNearly(curComponentStyle.top, bottom),
+          lineNode: lines.xb[0], // xb
+          line: 'xb',
+          dragShift: bottom,
+          lineShift: bottom
+        },
+        {
+          isNearly: isNearly(curComponentStyle.bottom, bottom),
+          lineNode: lines.xb[0], // xb
+          line: 'xb',
+          dragShift: bottom - curComponentStyle.height,
+          lineShift: bottom
+        }
+      ],
+      left: [
+        {
+          isNearly: isNearly(curComponentStyle.left, left),
+          lineNode: lines.yl[0], // yl
+          line: 'yl',
+          dragShift: left,
+          lineShift: left
+        },
+        {
+          isNearly: isNearly(curComponentStyle.right, left),
+          lineNode: lines.yl[0], // yl
+          line: 'yl',
+          dragShift: left - curComponentStyle.width,
+          lineShift: left
+        },
+        {
+          // 组件与拖拽节点的中间是否对齐
+          isNearly: isNearly(
+            curComponentStyle.left + curComponentHalfWidth,
+            left + componentHalfWidth
+          ),
+          lineNode: lines.yc[0], // yc
+          line: 'yc',
+          dragShift: left + componentHalfWidth - curComponentHalfWidth,
+          lineShift: left + componentHalfWidth
+        },
+        {
+          isNearly: isNearly(curComponentStyle.left, right),
+          lineNode: lines.yr[0], // yr
+          line: 'yr',
+          dragShift: right,
+          lineShift: right
+        },
+        {
+          isNearly: isNearly(curComponentStyle.right, right),
+          lineNode: lines.yr[0], // yr
+          line: 'yr',
+          dragShift: right - curComponentStyle.width,
+          lineShift: right
+        }
+      ]
+    }
 
-      const needToShow = []
-      const { rotate } = curComponent.value.style
-      if (conditions) {
-        Object.keys(conditions).forEach(key => {
-          // 遍历符合的条件并处理
-          if (conditions[key]) {
-            conditions[key].forEach(condition => {
-              if (!condition.isNearly) return
-              // 修改当前组件位移
-              dvMainStore.setShapeSingleStyle({
-                key,
-                value:
-                  rotate != 0
-                    ? translateCurComponentShift(key, condition, curComponentStyle)
-                    : condition.dragShift
-              })
-              if (condition.lineNode) {
-                condition.lineNode.style[key] = `${condition.lineShift}px`
-              }
-              needToShow.push(condition.line)
+    const needToShow = []
+    const { rotate } = curComponent.value.style
+    if (conditions) {
+      Object.keys(conditions).forEach(key => {
+        // 遍历符合的条件并处理
+        if (conditions[key]) {
+          conditions[key].forEach(condition => {
+            if (!condition.isNearly) return
+            // 修改当前组件位移
+            dvMainStore.setShapeSingleStyle({
+              key,
+              value:
+                rotate != 0
+                  ? translateCurComponentShift(key, condition, curComponentStyle)
+                  : condition.dragShift
             })
-          }
-        })
-      }
-      if (needToShow.length) {
-        chooseTheTrueLine(needToShow, isDownward, isRightward)
-      }
-    } catch (e) {
-      console.warn('markLine disabled')
+            if (condition.lineNode) {
+              condition.lineNode.style[key] = `${condition.lineShift}px`
+            }
+            needToShow.push(condition.line)
+          })
+        }
+      })
+    }
+    if (needToShow.length) {
+      chooseTheTrueLine(needToShow, isDownward, isRightward)
     }
   })
 }